Website URL Tested From Average (out of 100) Grade Booking.com https://www.booking.com Eastern US 87 B Tripadvisor https://www.tripadvisor.com Eastern US 83 B A 3 Expedia https://www.expedia.com Western US 64 D B 8 Hotels.com https://hotels.com/ Western US 61 D C 30 Kayak.com https://www.kayak.com/ Eastern US 65 D D 55 Southwest Airlines https://www.southwest.com Western US 67 D E 4 Agoda.com https://www.agoda.com Eastern Asia 84 B F 0 Delta Airlines https://www.delta.com Eastern US 63 D 100 Ryanair https://www.ryanair.com Europe 68 D United Airlines https://www.united.com Eastern US 70 C American Airlines https://www.aa.com Eastern US 67 D Performance of top 100 travel websites Priceline https://priceline.com/home/ Eastern US 64 D Performance Grade (Distribution) Marriott http://www.marriott.com/default.mi Eastern US 59 E Hilton http://www3.hilton.com/en/index.html Eastern US 59 E Ana.co.jp http://www.ana.co.jp Eastern Asia 61 D Qatar Airways http://www.qatarairways.com/global/en/homepage.page Europe 74 C Emirates https://www.emirates.com/ae/english/ Europe 62 D Easyjet https://www.easyjet.com/en/ Europe 72 C Orbitz https://www.orbitz.com/ Eastern US 67 D Vrbo https://www.vrbo.com/ Eastern US 64 D Japan Airlines http://www.jal.co.jp/ Eastern Asia 64 D Travelocity https://www.travelocity.com/ Eastern US 66 D Lonely Planet https://www.lonelyplanet.com/ Eastern US 72 C Couchsurfing https://www.couchsurfing.com/ Western US 78 C Homeaway https://www.homeaway.com/ Eastern US 63 D British Airways https://www.britishairways.com Europe 63 D Hotwire https://www.hotwire.com/ Western US 73 C Lufthansa http://www.lufthansa.com/xx/en/Homepage Europe 68 D Skyscanner https://www.skyscanner.com/ Europe 96 A Turkish Airlines http://www.turkishairlines.com/en-int/ Europe 83 B Trivago https://www.trivago.com/ Europe 90 A Saudi Airlines http://saudiairlines.com/ Europe 75 C Aeroflot http://www.aeroflot.ru/ru-ru Europe 67 D KLM https://www.klm.com/home/nl/nl Europe 70 C Hostelworld http://www.hostelworld.com/ Europe 74 C Alaska Air https://www.alaskaair.com/ Western US 73 C Cathay Pacific https://www.cathaypacific.com/cx/en_HK.html Eastern Asia 63 D Spirit https://www.spirit.com/ Eastern US 63 D Hyatt https://www.hyatt.com/ Eastern US 75 C Jet Airways http://www.jetairways.com/EN/GL/Home.aspx Europe 67 D Cebu Pacific https://www.cebupacificair.com/ Eastern Asia 71 C Air Canada https://www.aircanada.com/ca/en/aco/home.html Eastern US 66 D Expedia Canada https://www.expedia.ca/ Eastern US 64 D Air Arabia http://www.airarabia.com/en Europe 67 D IndiGo https://www.goindigo.in/ Eastern Asia 76 C Iberia http://www.iberia.com/ Europe 67 D LATAM Airlines https://www.latam.com/en_un/ Western US 71 C Carnival https://www.carnival.com/ Eastern US 59 E Accor Hotels http://www.accorhotels.com/gb/united-kingdom/index.shtml Europe 73 C Travelzoo https://www.travelzoo.com/ Eastern US 66 D Frontier https://www.flyfrontier.com/ Western US 78 C Amadeus https://www.amadeus.net/ Europe 87 B Royal Caribbean https://www.royalcaribbean.com Eastern US 64 D Air Berlin https://www.airberlin.com/en/site/start.php Europe 63 D Alitalia https://www.alitalia.com/it_it Europe 62 D Korean Air https://www.koreanair.com/global/en.html Eastern Asia 82 B Spicejet http://www.spicejet.com/ Eastern Asia 72 C One Travel https://www.onetravel.com/ Eastern US 71 C Qantas http://www.qantas.com/au/en.html Australia 66 D Cheaptickets https://www.cheaptickets.com/ Eastern US 67 D Swiss https://www.swiss.com/CH/en Europe 72 C Thai Airways http://www.thaiairways.com/en_TH/index.page Eastern Asia 76 C Westjet https://www.westjet.com/en-ca/index Eastern US 65 D Allegiant Air https://www.allegiantair.com/ Western US 69 D Aegean https://en.aegeanair.com/ Europe 68 D Choice Hotels https://www.choicehotels.com/ Eastern US 70 C Aer LIngus https://www.aerlingus.com/html/home.html Europe 72 C RCI http://www.rci.com/ Eastern US 60 D China Airlines https://www.china-airlines.com/tw/en Eastern Asia 67 D HRS http://www.hrs.de/ Europe 78 C Princess Cruises http://www.princess.com/ Western US 60 D NCL https://www.ncl.com/eu/en/ Eastern US 75 C Ixigo https://www.ixigo.com/ Eastern Asia 67 D Ethiopian Airlines https://www.ethiopianairlines.com/ Europe 71 C Best Western https://www.bestwestern.com/en_US.html Eastern US 64 D Air France http://www.airfrance.fr Europe 69 D Virgin Australia https://www.virginaustralia.com/au/en/ Australia 67 D UIA http://www.flyuia.com/eng/main.html Europe 61 D Finnair https://www.finnair.com/fi/fi/ Europe 100 A Aeroplan https://www4.aeroplan.com/ Eastern US 89 B Philippine Airlines https://www.philippineairlines.com/en Eastern Asia 61 D Copa Airlines https://www.copaair.com/es/web/gs Eastern US 75 C Melia Hotels https://www.melia.com/ Europe 68 D Vacations to go http://vacationstogo.com/ Eastern US 61 D Thomas Cook https://www.thomascook.com/ Europe 79 C Disney Cruises https://disneycruise.disney.go.com/ Eastern US 78 D Brussels Airlines https://www.brusselsairlines.com/en-be/ Europe 63 C South African Airways https://www.flysaa.com/ Europe 68 D Hawaiian Airlines https://www.hawaiianairlines.com/ Western US 75 D Pakistan Intl. Airlines http://www4.piac.com.pk/pianew/ Eastern Asia 59 C Hilton Hotels http://www3.hilton.com/en/index.html Eastern US 70 E Vegas https://www.vegas.com/ Western US 66 D Lot http://www.lot.com/pl/en/ Europe 88 B Air Baltic https://www.airbaltic.com/en-LV/index Europe 69 D Starwood Hotels Sheraton http://www.starwoodhotels.com/sheraton/index.html Eastern US 62 D Wotif https://www.wotif.com/ Australia 66 D Flybe http://www.flybe.com/ Europe 63 D Condor https://www.condor.com/eu/index.jsp Europe 64 D Austrian https://www.austrian.com/ Europe 68 D Srilankan.com http://www.srilankan.com/en_uk/lk Eastern Asia 71 C z URL Tested From Average (seconds) Finnair https://www.finnair.com/fi/fi/ Europe 0.18 Vacations to go http://vacationstogo.com/ Eastern US 0.57 Top 10 Performing Sites Load Time (secs) Lot http://www.lot.com/pl/en/ Europe 0.81 Finnair 0.18 Skyscanner https://www.skyscanner.com/ Europe 0.85 Vacations to go 0.57 Aeroplan https://www4.aeroplan.com/ Eastern US 0.9 Lot 0.81 Amadeus https://www.amadeus.net/ Europe 1 Skyscanner 0.85 Japan Airlines http://www.jal.co.jp/ Eastern Asia 1.15 Aeroplan 0.9 Hyatt https://www.hyatt.com/ Eastern US 1.15 Amadeus 1 Tripadvisor https://www.tripadvisor.com Eastern US 1.2 Japan Airlines 1.15 Booking.com https://www.booking.com Eastern US 1.48 Hyatt 1.15 Swiss https://www.swiss.com/CH/en Europe 1.48 Tripadvisor 1.2 Alaska Air https://www.alaskaair.com/ Western US 1.55 Booking.com 1.48 HRS http://www.hrs.de/ Europe 1.55 Qatar Airways http://www.qatarairways.com/global/en/homepage.page Europe 1.57 Trivago https://www.trivago.com/ Europe 1.62 Bottom 10 Performing Sites Load Time (secs) Agoda.com https://www.agoda.com Eastern Asia 1.68 Aer LIngus 5.62 Thai Airways http://www.thaiairways.com/en_TH/index.page Eastern Asia 1.68 Saudi Airlines 6.21 Westjet https://www.westjet.com/en-ca/index Eastern US 1.75 Hilton Hotels 6.22 Srilankan.com http://www.srilankan.com/en_uk/lk Eastern Asia 1.76 Travelocity 6.25 South African Airways https://www.flysaa.com/ Europe 10.45 Emirates 6.98 Couchsurfing https://www.couchsurfing.com/ Western US 2.02 Air Arabia 7.7 Turkish Airlines http://www.turkishairlines.com/en-int/ Europe 2.14 Wotif 7.72 Cebu Pacific https://www.cebupacificair.com/ Eastern Asia 2.15 Qantas 8.09 Austrian https://www.austrian.com/ Europe 2.19 Melia Hotels 8.9 Travelzoo https://www.travelzoo.com/ Eastern US 2.26 South African Airways 10.45 Ethiopian Airlines https://www.ethiopianairlines.com/ Europe 2.33 Starwood Hotels Sheraton http://www.starwoodhotels.com/sheraton/index.html Eastern US 2.41 Homepage loading time distribution Ana.co.jp http://www.ana.co.jp Eastern Asia 2.45 <1 5 Vegas https://www.vegas.com/ Western US 2.46 1-2 14 Iberia http://www.iberia.com/ Europe 2.48 2-3 27 United Airlines https://www.united.com Eastern US 2.49 3-4 28 Condor https://www.condor.com/eu/index.jsp Europe 2.49 4-5 12 Allegiant Air https://www.allegiantair.com/ Western US 2.54 5-6 5 Homeaway https://www.homeaway.com/ Eastern US 2.59 6-7 4 Vrbo https://www.vrbo.com/ Eastern US 2.61 7-8 2 Spirit https://www.spirit.com/ Eastern US 2.65 8-9 1 American Airlines https://www.aa.com Eastern US 2.72 9> 2 Frontier https://www.flyfrontier.com/ Western US 2.72 Thomas Cook https://www.thomascook.com/ Europe 2.72 Fastest Load 0.18 Lonely Planet https://www.lonelyplanet.com/ Eastern US 2.76 Average Load 3.39 One Travel https://www.onetravel.com/ Eastern US 2.77 Slowest Load 10.45 Hotwire https://www.hotwire.com/ Western US 2.79 IndiGo https://www.goindigo.in/ Eastern Asia 2.88 Hawaiian Airlines https://www.hawaiianairlines.com/ Western US 2.89 RCI http://www.rci.com/ Eastern US 2.92 Flybe http://www.flybe.com/ Europe 2.98 Royal Caribbean https://www.royalcaribbean.com Eastern US 2.99 Delta Airlines https://www.delta.com Eastern US 3.02 Brussels Airlines https://www.brusselsairlines.com/en-be/ Europe 3.02 Southwest Airlines https://www.southwest.com Western US 3.08 Disney Cruises https://disneycruise.disney.go.com/ Eastern US 3.24 Hotels.com https://hotels.com/ Western US 3.31 Princess Cruises http://www.princess.com/ Western US 3.31 Aeroflot http://www.aeroflot.ru/ru-ru Europe 3.34 Air France http://www.airfrance.fr Europe 3.35 Ixigo https://www.ixigo.com/ Eastern Asia 3.37 Air Berlin https://www.airberlin.com/en/site/start.php Europe 3.38 Ryanair https://www.ryanair.com Europe 3.4 Pakistan Intl. Airlines http://www4.piac.com.pk/pianew/ Eastern Asia 3.41 Easyjet https://www.easyjet.com/en/ Europe 3.47 Hostelworld http://www.hostelworld.com/ Europe 3.53 Accor Hotels http://www.accorhotels.com/gb/united-kingdom/index.shtml Europe 3.55 Korean Air https://www.koreanair.com/global/en.html Eastern Asia 3.58 Lufthansa http://www.lufthansa.com/xx/en/Homepage Europe 3.59 Air Baltic https://www.airbaltic.com/en-LV/index Europe 3.64 British Airways https://www.britishairways.com Europe 3.65 UIA http://www.flyuia.com/eng/main.html Europe 3.65 Marriott http://www.marriott.com/default.mi Eastern US 3.72 Hilton http://www3.hilton.com/en/index.html Eastern US 3.77 Jet Airways http://www.jetairways.com/EN/GL/Home.aspx Europe 3.8 Cheaptickets https://www.cheaptickets.com/ Eastern US 3.83 Best Western https://www.bestwestern.com/en_US.html Eastern US 3.84 China Airlines https://www.china-airlines.com/tw/en Eastern Asia 3.85 NCL https://www.ncl.com/eu/en/ Eastern US 3.94 Priceline https://priceline.com/home/ Eastern US 3.96 Orbitz https://www.orbitz.com/ Eastern US 4.01 LATAM Airlines https://www.latam.com/en_un/ Western US 4.01 Kayak.com https://www.kayak.com/ Eastern US 4.03 Spicejet http://www.spicejet.com/ Eastern Asia 4.07 Aegean https://en.aegeanair.com/ Europe 4.07 KLM https://www.klm.com/home/nl/nl Europe 4.17 Air Canada https://www.aircanada.com/ca/en/aco/home.html Eastern US 4.48 Copa Airlines https://www.copaair.com/es/web/gs Eastern US 4.49 Choice Hotels https://www.choicehotels.com/ Eastern US 4.55 Philippine Airlines https://www.philippineairlines.com/en Eastern Asia 4.66 Expedia https://www.expedia.com Western US 4.72 Carnival https://www.carnival.com/ Eastern US 4.8 Cathay Pacific https://www.cathaypacific.com/cx/en_HK.html Eastern Asia 5.04 Virgin Australia https://www.virginaustralia.com/au/en/ Australia 5.09 Alitalia https://www.alitalia.com/it_it Europe 5.34 Expedia Canada https://www.expedia.ca/ Eastern US 5.54 Aer LIngus https://www.aerlingus.com/html/home.html Europe 5.62 Saudi Airlines http://saudiairlines.com/ Europe 6.21 Hilton Hotels http://www3.hilton.com/en/index.html Eastern US 6.22 Travelocity https://www.travelocity.com/ Eastern US 6.25 Emirates https://www.emirates.com/ae/english/ Europe 6.98 Air Arabia http://www.airarabia.com/en Europe 7.7 Wotif https://www.wotif.com/ Australia 7.72 Qantas http://www.qantas.com/au/en.html Australia 8.09 Melia Hotels https://www.melia.com/ Europe 8.9 Website URL Tested From Average (mb) Lot http://www.lot.com/pl/en/ Europe 0.16 Size of top 100 Travel sites Thai Airways http://www.thaiairways.com/en_TH/index.page Eastern Asia 0.52 Min size 0.16 Vacations to go http://vacationstogo.com/ Eastern US 0.53 Average size 2.27 Southwest Airlines https://www.southwest.com Western US 0.71 Max size 6.12 Trivago https://www.trivago.com/ Europe 0.77 Hotwire https://www.hotwire.com/ Western US 0.89 Homepage size distribution Hostelworld http://www.hostelworld.com/ Europe 0.9 <1 10 Skyscanner https://www.skyscanner.com/ Europe 0.93 1-2 33 IndiGo https://www.goindigo.in/ Eastern Asia 0.93 2-3 34 Aeroplan https://www4.aeroplan.com/ Eastern US 0.98 3-4 16 United Airlines https://www.united.com Eastern US 1.02 4-5 5 Swiss https://www.swiss.com/CH/en Europe 1.07 5-6 1 KLM https://www.klm.com/home/nl/nl Europe 1.08 6-7 1 HRS http://www.hrs.de/ Europe 1.08 Spicejet http://www.spicejet.com/ Eastern Asia 1.12 American Airlines https://www.aa.com Eastern US 1.19 Finnair https://www.finnair.com/fi/fi/ Europe 1.2 Booking.com https://www.booking.com Eastern US 1.21 Jet Airways http://www.jetairways.com/EN/GL/Home.aspx Europe 1.33 Top 10 Performing Sites Size (MB) Expedia https://www.expedia.com Western US 1.34 Lot 0.16 British Airways https://www.britishairways.com Europe 1.36 Thai Airways 0.52 One Travel https://www.onetravel.com/ Eastern US 1.36 Vacations to go 0.53 NCL https://www.ncl.com/eu/en/ Eastern US 1.44 Southwest Airlines 0.71 Wotif https://www.wotif.com/ Australia 1.48 Trivago 0.77 Tripadvisor https://www.tripadvisor.com Eastern US 1.52 Hotwire 0.89 Thomas Cook https://www.thomascook.com/ Europe 1.52 Hostelworld 0.9 Homeaway https://www.homeaway.com/ Eastern US 1.53 Skyscanner 0.93 Ryanair https://www.ryanair.com Europe 1.57 IndiGo 0.93 Qatar Airways http://www.qatarairways.com/global/en/homepage.page Europe 1.57 Aeroplan 0.98 LATAM Airlines https://www.latam.com/en_un/ Western US 1.59 Alaska Air https://www.alaskaair.com/ Western US 1.6 Bottom 10 Performing Sites Load Time (secs) Hotels.com https://hotels.com/ Western US 1.64 Royal Caribbean 3.53 Cebu Pacific https://www.cebupacificair.com/ Eastern Asia 1.66 Melia Hotels 3.71 Srilankan.com http://www.srilankan.com/en_uk/lk Eastern Asia 1.69 Amadeus 3.86 Allegiant Air https://www.allegiantair.com/ Western US 1.7 Aer LIngus 4 Expedia Canada https://www.expedia.ca/ Eastern US 1.75 Orbitz 4.02 Copa Airlines https://www.copaair.com/es/web/gs Eastern US 1.75 Carnival 4.6 Air Baltic https://www.airbaltic.com/en-LV/index Europe 1.76 Lonely Planet 4.66 Kayak.com https://www.kayak.com/ Eastern US 1.83 Starwood Hotels Sheraton 4.88 Turkish Airlines http://www.turkishairlines.com/en-int/ Europe 1.83 Alitalia 5.82 Lufthansa http://www.lufthansa.com/xx/en/Homepage Europe 1.85 Emirates 6.12 Vrbo https://www.vrbo.com/ Eastern US 1.89 Brussels Airlines https://www.brusselsairlines.com/en-be/ Europe 1.9 Condor https://www.condor.com/eu/index.jsp Europe 2.02 Priceline https://priceline.com/home/ Eastern US 2.04 Virgin Australia https://www.virginaustralia.com/au/en/ Australia 2.05 Korean Air https://www.koreanair.com/global/en.html Eastern Asia 2.06 Travelocity https://www.travelocity.com/ Eastern US 2.08 Spirit https://www.spirit.com/ Eastern US 2.16 UIA http://www.flyuia.com/eng/main.html Europe 2.17 Delta Airlines https://www.delta.com Eastern US 2.2 Air Berlin https://www.airberlin.com/en/site/start.php Europe 2.22 Westjet https://www.westjet.com/en-ca/index Eastern US 2.23 Choice Hotels https://www.choicehotels.com/ Eastern US 2.23 Iberia http://www.iberia.com/ Europe 2.29 Hilton http://www3.hilton.com/en/index.html Eastern US 2.3 Hilton Hotels http://www3.hilton.com/en/index.html Eastern US 2.3 Agoda.com https://www.agoda.com Eastern Asia 2.31 South African Airways https://www.flysaa.com/ Europe 2.32 Pakistan Intl. Airlines http://www4.piac.com.pk/pianew/ Eastern Asia 2.36 Austrian https://www.austrian.com/ Europe 2.41 Best Western https://www.bestwestern.com/en_US.html Eastern US 2.43 Flybe http://www.flybe.com/ Europe 2.5 RCI http://www.rci.com/ Eastern US 2.52 Ethiopian Airlines https://www.ethiopianairlines.com/ Europe 2.52 Frontier https://www.flyfrontier.com/ Western US 2.57 Japan Airlines http://www.jal.co.jp/ Eastern Asia 2.63 Air Canada https://www.aircanada.com/ca/en/aco/home.html Eastern US 2.7 Qantas http://www.qantas.com/au/en.html Australia 2.76 Easyjet https://www.easyjet.com/en/ Europe 2.77 Hyatt https://www.hyatt.com/ Eastern US 2.78 Aeroflot http://www.aeroflot.ru/ru-ru Europe 2.79 Aegean https://en.aegeanair.com/ Europe 2.84 Cathay Pacific https://www.cathaypacific.com/cx/en_HK.html Eastern Asia 2.85 China Airlines https://www.china-airlines.com/tw/en Eastern Asia 2.88 Air Arabia http://www.airarabia.com/en Europe 2.9 Hawaiian Airlines https://www.hawaiianairlines.com/ Western US 2.95 Saudi Airlines http://saudiairlines.com/ Europe 3 Travelzoo https://www.travelzoo.com/ Eastern US 3 Princess Cruises http://www.princess.com/ Western US 3.03 Ana.co.jp http://www.ana.co.jp Eastern Asia 3.04 Marriott http://www.marriott.com/default.mi Eastern US 3.14 Accor Hotels http://www.accorhotels.com/gb/united-kingdom/index.shtml Europe 3.22 Ixigo https://www.ixigo.com/ Eastern Asia 3.24 Disney Cruises https://disneycruise.disney.go.com/ Eastern US 3.26 Air France http://www.airfrance.fr Europe 3.27 Couchsurfing https://www.couchsurfing.com/ Western US 3.3 Philippine Airlines https://www.philippineairlines.com/en Eastern Asia 3.36 Cheaptickets https://www.cheaptickets.com/ Eastern US 3.4 Vegas https://www.vegas.com/ Western US 3.41 Royal Caribbean https://www.royalcaribbean.com Eastern US 3.53 Melia Hotels https://www.melia.com/ Europe 3.71 Amadeus https://www.amadeus.net/ Europe 3.86 Aer LIngus https://www.aerlingus.com/html/home.html Europe 4 Orbitz https://www.orbitz.com/ Eastern US 4.02 Carnival https://www.carnival.com/ Eastern US 4.6 Lonely Planet https://www.lonelyplanet.com/ Eastern US 4.66 Starwood Hotels Sheraton http://www.starwoodhotels.com/sheraton/index.html Eastern US 4.88 Alitalia https://www.alitalia.com/it_it Europe 5.82 Emirates https://www.emirates.com/ae/english/ Europe 6.12 Website URL Tested From Average # of Requests Finnair https://www.finnair.com/fi/fi/ Europe 2 Skyscanner https://www.skyscanner.com/ Europe 4 Average # of Requests of top 100 Travel sites Aeroplan https://www4.aeroplan.com/ Eastern US 13 Min requests 2 Lot http://www.lot.com/pl/en/ Europe 15 Average size 142 Trivago https://www.trivago.com/ Europe 19 Max size 378 Vacations to go http://vacationstogo.com/ Eastern US 22 Thai Airways http://www.thaiairways.com/en_TH/index.page Eastern Asia 40 Sites with least requests Load Time (secs) Philippine Airlines https://www.philippineairlines.com/en Eastern Asia 41 Finnair 2 Spicejet http://www.spicejet.com/ Eastern Asia 48 Skyscanner 4 Hyatt https://www.hyatt.com/ Eastern US 50 Aeroplan 13 IndiGo https://www.goindigo.in/ Eastern Asia 60 Lot 15 Amadeus https://www.amadeus.net/ Europe 60 Trivago 19 Allegiant Air https://www.allegiantair.com/ Western US 60 Vacations to go 22 Couchsurfing https://www.couchsurfing.com/ Western US 62 Thai Airways 40 Pakistan Intl. Airlines http://www4.piac.com.pk/pianew/ Eastern Asia 62 Philippine Airlines 41 Swiss https://www.swiss.com/CH/en Europe 67 Spicejet 48 NCL https://www.ncl.com/eu/en/ Eastern US 67 Hyatt 50 Hostelworld http://www.hostelworld.com/ Europe 68 One Travel https://www.onetravel.com/ Eastern US 68 Sites with most requests Load Time (secs) Southwest Airlines https://www.southwest.com Western US 69 Expedia Canada 282 HRS http://www.hrs.de/ Europe 72 Travelocity 286 Alaska Air https://www.alaskaair.com/ Western US 76 Princess Cruises 294 Lufthansa http://www.lufthansa.com/xx/en/Homepage Europe 79 Ana.co.jp 298 United Airlines https://www.united.com Eastern US 80 Hilton 311 LATAM Airlines https://www.latam.com/en_un/ Western US 81 Hilton Hotels 311 Air Baltic https://www.airbaltic.com/en-LV/index Europe 81 Melia Hotels 327 Ethiopian Airlines https://www.ethiopianairlines.com/ Europe 84 Alitalia 341 Turkish Airlines http://www.turkishairlines.com/en-int/ Europe 86 Air Arabia 352 Condor https://www.condor.com/eu/index.jsp Europe 86 Starwood Hotels Sheraton 378 Lonely Planet https://www.lonelyplanet.com/ Eastern US 89 Korean Air https://www.koreanair.com/global/en.html Eastern Asia 89 # of Requests Distribution Vrbo https://www.vrbo.com/ Eastern US 91 <100 36 Saudi Airlines http://saudiairlines.com/ Europe 94 100-200 42 Air Canada https://www.aircanada.com/ca/en/aco/home.html Eastern US 97 200-300 16 Westjet https://www.westjet.com/en-ca/index Eastern US 97 300-400 6 KLM https://www.klm.com/home/nl/nl Europe 99 100 Cebu Pacific https://www.cebupacificair.com/ Eastern Asia 103 Homeaway https://www.homeaway.com/ Eastern US 105 Srilankan.com http://www.srilankan.com/en_uk/lk Eastern Asia 109 Qatar Airways http://www.qatarairways.com/global/en/homepage.page Europe 114 China Airlines https://www.china-airlines.com/tw/en Eastern Asia 115 Jet Airways http://www.jetairways.com/EN/GL/Home.aspx Europe 118 Thomas Cook https://www.thomascook.com/ Europe 118 Disney Cruises https://disneycruise.disney.go.com/ Eastern US 121 Tripadvisor https://www.tripadvisor.com Eastern US 125 Brussels Airlines https://www.brusselsairlines.com/en-be/ Europe 125 Ryanair https://www.ryanair.com Europe 126 Booking.com https://www.booking.com Eastern US 132 Travelzoo https://www.travelzoo.com/ Eastern US 133 Frontier https://www.flyfrontier.com/ Western US 133 American Airlines https://www.aa.com Eastern US 135 British Airways https://www.britishairways.com Europe 135 Air France http://www.airfrance.fr Europe 136 Choice Hotels https://www.choicehotels.com/ Eastern US 138 Aegean https://en.aegeanair.com/ Europe 139 Marriott http://www.marriott.com/default.mi Eastern US 140 Agoda.com https://www.agoda.com Eastern Asia 141 Easyjet https://www.easyjet.com/en/ Europe 141 UIA http://www.flyuia.com/eng/main.html Europe 141 Qantas http://www.qantas.com/au/en.html Australia 145 Hotwire https://www.hotwire.com/ Western US 146 Ixigo https://www.ixigo.com/ Eastern Asia 146 Delta Airlines https://www.delta.com Eastern US 148 Accor Hotels http://www.accorhotels.com/gb/united-kingdom/index.shtml Europe 149 South African Airways https://www.flysaa.com/ Europe 152 Aer LIngus https://www.aerlingus.com/html/home.html Europe 162 Kayak.com https://www.kayak.com/ Eastern US 164 Best Western https://www.bestwestern.com/en_US.html Eastern US 165 Copa Airlines https://www.copaair.com/es/web/gs Eastern US 168 Spirit https://www.spirit.com/ Eastern US 171 Vegas https://www.vegas.com/ Western US 175 Royal Caribbean https://www.royalcaribbean.com Eastern US 179 Austrian https://www.austrian.com/ Europe 179 Hotels.com https://hotels.com/ Western US 183 Cathay Pacific https://www.cathaypacific.com/cx/en_HK.html Eastern Asia 190 Air Berlin https://www.airberlin.com/en/site/start.php Europe 192 Cheaptickets https://www.cheaptickets.com/ Eastern US 197 Emirates https://www.emirates.com/ae/english/ Europe 198 RCI http://www.rci.com/ Eastern US 201 Japan Airlines http://www.jal.co.jp/ Eastern Asia 202 Iberia http://www.iberia.com/ Europe 204 Wotif https://www.wotif.com/ Australia 208 Aeroflot http://www.aeroflot.ru/ru-ru Europe 210 Expedia https://www.expedia.com Western US 226 Virgin Australia https://www.virginaustralia.com/au/en/ Australia 226 Flybe http://www.flybe.com/ Europe 226 Orbitz https://www.orbitz.com/ Eastern US 233 Hawaiian Airlines https://www.hawaiianairlines.com/ Western US 233 Priceline https://priceline.com/home/ Eastern US 236 Carnival https://www.carnival.com/ Eastern US 249 Expedia Canada https://www.expedia.ca/ Eastern US 282 Travelocity https://www.travelocity.com/ Eastern US 286 Princess Cruises http://www.princess.com/ Western US 294 Ana.co.jp http://www.ana.co.jp Eastern Asia 298 Hilton http://www3.hilton.com/en/index.html Eastern US 311 Hilton Hotels http://www3.hilton.com/en/index.html Eastern US 311 Melia Hotels https://www.melia.com/ Europe 327 Alitalia https://www.alitalia.com/it_it Europe 341 Air Arabia http://www.airarabia.com/en Europe 352 Starwood Hotels Sheraton http://www.starwoodhotels.com/sheraton/index.html Eastern US 378 Website URL Tested From First View Aeroplan https://www4.aeroplan.com/ Eastern US 600 Vacations to go http://vacationstogo.com/ Eastern US 1189 Kayak.com https://www.kayak.com/ Eastern US 1265 Priceline https://www.priceline.com/home/ Eastern US 1324 Tripadvisor https://www.tripadvisor.com Eastern US 1456 Hotwire https://www.hotwire.com/ Western US 1687 Southwest Airlines https://www.southwest.com Western US 1745 Vrbo https://www.vrbo.com/ Eastern US 1820 Vegas https://www.vegas.com/ Western US 1895 United Airlines https://www.united.com Eastern US 1897 Homeaway https://www.homeaway.com/ Eastern US 1910 Hotels.com https://hotels.com/ Western US 1932 Turkish Airlines http://www.turkishairlines.com/en-int/ Europe 1952 Booking.com https://www.booking.com Eastern US 1956 Travelzoo https://www.travelzoo.com/ Eastern US 1964 Frontier https://www.flyfrontier.com/ Western US 2047 Westjet https://www.westjet.com/en-ca/index Eastern US 2107 Saudi Airlines http://saudiairlines.com/ Europe 2236 Couchsurfing https://www.couchsurfing.com/ Western US 2391 Hyatt https://www.hyatt.com/ Eastern US 2395 Lonely Planet https://www.lonelyplanet.com/ Eastern US 2408 American Airlines https://www.aa.com Eastern US 2501 Best Western https://www.bestwestern.com/en_US.html Eastern US 2565 NCL https://www.ncl.com/eu/en/ Eastern US 2580 HRS http://www.hrs.de/ Europe 2711 Expedia https://www.expedia.com Western US 2844 Delta Airlines https://www.delta.com Eastern US 2961 Agoda.com https://www.agoda.com Eastern Asia 2969 Orbitz https://www.orbitz.com/ Eastern US 3034 Amadeus https://www.amadeus.net/ Europe 3125 Starwood Hotels Sheraton http://www.starwoodhotels.com/sheraton/index.html Eastern US 3227 Skyscanner https://www.skyscanner.com/ Europe 3259 Travelocity https://www.travelocity.com/ Eastern US 3299 Princess Cruises http://www.princess.com/ Western US 3396 Trivago https://www.trivago.com/ Europe 3410 LATAM Airlines https://www.latam.com/en_un/ Western US 3433 Jet Airways http://www.jetairways.com/EN/GL/Home.aspx Europe 3496 UIA http://www.flyuia.com/eng/main.html Europe 3610 Allegiant Air https://www.allegiantair.com/ Western US 3686 Cheaptickets https://www.cheaptickets.com/ Eastern US 3773 Pakistan Intl. Airlines http://www4.piac.com.pk/pianew/ Eastern Asia 3792 One Travel https://www.onetravel.com/ Eastern US 3793 Carnival https://www.carnival.com/ Eastern US 3840 Swiss https://www.swiss.com/CH/en Europe 4165 RCI http://www.rci.com/ Eastern US 4196 Thomas Cook https://www.thomascook.com/ Europe 4234 Spirit https://www.spirit.com/ Eastern US 4251 Royal Caribbean https://www.royalcaribbean.com Eastern US 4388 Japan Airlines http://www.jal.co.jp/ Eastern Asia 4465 Ethiopian Airlines https://www.ethiopianairlines.com/ Europe 4560 Spicejet http://www.spicejet.com/ Eastern Asia 4698 Hawaiian Airlines https://www.hawaiianairlines.com/ Western US 4763 Alaska Air https://www.alaskaair.com/ Western US 4810 Easyjet https://www.easyjet.com/en/ Europe 5030 IndiGo https://www.goindigo.in/ Eastern Asia 5056 Marriott http://www.marriott.com/default.mi Eastern US 5070 Thai Airways http://www.thaiairways.com/en_TH/index.page Eastern Asia 5115 Choice Hotels https://www.choicehotels.com/ Eastern US 5228 Finnair https://www.finnair.com/fi/fi/ Europe 5449 Cebu Pacific https://www.cebupacificair.com/ Eastern Asia 5498 Philippine Airlines https://www.philippineairlines.com/en Eastern Asia 5498 Hostelworld http://www.hostelworld.com/ Europe 5570 Expedia Canada https://www.expedia.ca/ Eastern US 5663 Flybe http://www.flybe.com/ Europe 6035 KLM https://www.klm.com/home/nl/nl Europe 6109 Wotif https://www.wotif.com/ Australia 6131 Condor https://www.condor.com/eu/index.jsp Europe 6410 Iberia http://www.iberia.com/ Europe 6655 Lufthansa http://www.lufthansa.com/xx/en/Homepage Europe 6739 Ixigo https://www.ixigo.com/ Eastern Asia 6858 Disney Cruises https://disneycruise.disney.go.com/ Eastern US 7125 Air Canada https://www.aircanada.com/ca/en/aco/home.html Eastern US 7126 Aegean https://en.aegeanair.com/ Europe 7153 Austrian https://www.austrian.com/ Europe 7214 Srilankan.com http://www.srilankan.com/en_uk/lk Eastern Asia 7264 Brussels Airlines https://www.brusselsairlines.com/en-be/ Europe 7435 Air France http://www.airfrance.fr Europe 7582 Hilton http://www3.hilton.com/en/index.html Eastern US 7629 Highest Index 56197 Qantas http://www.qantas.com/au/en.html Australia 7881 Average 6133 British Airways https://www.britishairways.com Europe 7964 Lowest Index 600 Hilton Hotels http://www3.hilton.com/en/index.html Eastern US 8036 Qatar Airways http://www.qatarairways.com/global/en/homepage.page Europe 8378 Korean Air https://www.koreanair.com/global/en.html Eastern Asia 8672 Aeroflot http://www.aeroflot.ru/ru-ru Europe 8756 Cathay Pacific https://www.cathaypacific.com/cx/en_HK.html Eastern Asia 9973 Emirates https://www.emirates.com/ae/english/ Europe 10017 Air Berlin https://www.airberlin.com/en/site/start.php Europe 10328 Copa Airlines https://www.copaair.com/es/web/gs Eastern US 10332 Air Baltic https://www.airbaltic.com/en-LV/index Europe 10477 Ana.co.jp http://www.ana.co.jp Eastern Asia 10888 Ryanair https://www.ryanair.com Europe 11217 Alitalia https://www.alitalia.com/it_it Europe 12384 Lot http://www.lot.com/pl/en/ Europe 12906 South African Airways https://www.flysaa.com/ Europe 13310 Accor Hotels http://www.accorhotels.com/gb/united-kingdom/index.shtml Europe 15685 Melia Hotels https://www.melia.com/ Europe 16493 Air Arabia http://www.airarabia.com/en Europe 16512 Virgin Australia https://www.virginaustralia.com/au/en/ Australia 17718 Aer LIngus https://www.aerlingus.com/html/home.html Europe 18568 China Airlines https://www.china-airlines.com/tw/en Eastern Asia 56197 Website URL Tested From Uptime % (between 2017-02-20 and 2017-03-06) Booking.com https://www.booking.comEastern US 100 Uptime of top 100 Travel sites Tripadvisor https://www.tripadvisor.comEastern US 100 Lowest uptime 56.99 Expedia https://www.expedia.comWestern US 99.75 Average uptime 99.17 Hotels.com https://hotels.com/Western US 100 Highest uptime 100 Kayak.com https://www.kayak.com/Eastern US 99.95 Southwest Airlineshttps://www.southwest.comWestern US 100 Agoda.com https://www.agoda.comEastern Asia 100 Total Accrued Downtime: Delta Airlines https://www.delta.comEastern US 99.99 16 days, 13 hours, 9 minutes, 48 seconds Ryanair https://www.ryanair.comEurope 100 United Airlines https://www.united.comEastern US 100 American Airlineshttps://www.aa.comEastern US 100 Priceline https://priceline.com/home/Eastern US 100 Marriott http://www.marriott.com/default.miEastern US 100 Hilton http://www3.hilton.com/en/index.htmlEastern US 100 Ana.co.jp http://www.ana.co.jpEastern Asia 100 Qatar Airways http://www.qatarairways.com/global/en/homepage.pageEurope 100 Emirates https://www.emirates.com/ae/english/Europe 99.98 Easyjet https://www.easyjet.com/en/Europe 100 Orbitz https://www.orbitz.com/Eastern US 99.86 Vrbo https://www.vrbo.com/Eastern US 99.84 Japan Airlines http://www.jal.co.jp/Eastern Asia 100 Travelocity https://www.travelocity.com/Eastern US 99.81 Lonely Planet https://www.lonelyplanet.com/Eastern US 99.75 Couchsurfing https://www.couchsurfing.com/Western US 99.98 Homeaway https://www.homeaway.com/Eastern US 99.84 British Airways https://www.britishairways.comEurope 100 Hotwire https://www.hotwire.com/Western US 99.93 Lufthansa http://www.lufthansa.com/xx/en/HomepageEurope 56.99 Skyscanner https://www.skyscanner.com/Europe 99.94 Turkish Airlines http://www.turkishairlines.com/en-int/Europe 99.95 Trivago https://www.trivago.com/Europe 99.93 Saudi Airlines http://saudiairlines.com/Europe 100 Aeroflot http://www.aeroflot.ru/ru-ruEurope 100 KLM https://www.klm.com/home/nl/nlEurope 100 Hostelworld http://www.hostelworld.com/Europe 99.97 Alaska Air https://www.alaskaair.com/Western US 100 Cathay Pacific https://www.cathaypacific.com/cx/en_HK.htmlEastern Asia 100 Spirit https://www.spirit.com/Eastern US 98.01 Hyatt https://www.hyatt.com/Eastern US 98.92 Jet Airways http://www.jetairways.com/EN/GL/Home.aspxEurope 99.98 Cebu Pacific https://www.cebupacificair.com/Eastern Asia 99.75 Air Canada https://www.aircanada.com/ca/en/aco/home.htmlEastern US 100 Expedia Canada https://www.expedia.ca/Eastern US 99.48 Air Arabia http://www.airarabia.com/enEurope 100 IndiGo https://www.goindigo.in/Eastern Asia 99.32 Iberia http://www.iberia.com/Europe 99.63 LATAM Airlines https://www.latam.com/en_un/Western US 100 Carnival https://www.carnival.com/Eastern US 100 Accor Hotels http://www.accorhotels.com/gb/united-kingdom/index.shtmlEurope 100 Travelzoo https://www.travelzoo.com/Eastern US 100 Frontier https://www.flyfrontier.com/Western US 96.54 Amadeus https://www.amadeus.net/Europe 100 Royal Caribbean https://www.royalcaribbean.comEastern US 100 Air Berlin https://www.airberlin.com/en/site/start.phpEurope 100 Alitalia https://www.alitalia.com/it_itEurope 100 Korean Air https://www.koreanair.com/global/en.htmlEastern Asia 100 Spicejet http://www.spicejet.com/Eastern Asia 100 One Travel https://www.onetravel.com/Eastern US 100 Qantas http://www.qantas.com/au/en.htmlAustralia 100 Cheaptickets https://www.cheaptickets.com/Eastern US 99.77 Swiss https://www.swiss.com/CH/enEurope 99.98 Thai Airways http://www.thaiairways.com/en_TH/index.pageEastern Asia 100 Westjet https://www.westjet.com/en-ca/indexEastern US 100 Allegiant Air https://www.allegiantair.com/Western US 100 Aegean https://en.aegeanair.com/Europe 99.71 Choice Hotels https://www.choicehotels.com/Eastern US 99.97 Aer LIngus https://www.aerlingus.com/html/home.htmlEurope 100 RCI http://www.rci.com/Eastern US 100 China Airlines https://www.china-airlines.com/tw/enEastern Asia 100 HRS http://www.hrs.de/Europe 100 Princess Cruises http://www.princess.com/Western US 100 NCL https://www.ncl.com/eu/en/Eastern US 100 Ixigo https://www.ixigo.com/Eastern Asia 99.99 Ethiopian Airlineshttps://www.ethiopianairlines.com/Europe 100 Best Western https://www.bestwestern.com/en_US.htmlEastern US 88.51 Air France http://www.airfrance.frEurope 99.99 Virgin Australia https://www.virginaustralia.com/au/en/Australia 100 UIA http://www.flyuia.com/eng/main.htmlEurope 99.93 Finnair https://www.finnair.com/fi/fi/Europe 99.99 Aeroplan https://www4.aeroplan.com/Eastern US 90.22 Philippine Airlineshttps://www.philippineairlines.com/enEastern Asia 99.98 Copa Airlines https://www.copaair.com/es/web/gsEastern US 99.64 Melia Hotels https://www.melia.com/Europe 99.93 Vacations to go http://vacationstogo.com/Eastern US 99.95 Thomas Cook https://www.thomascook.com/Europe 100 Disney Cruises https://disneycruise.disney.go.com/Eastern US 99.88 Brussels Airlines https://www.brusselsairlines.com/en-be/Europe 100 South African Airwayshttps://www.flysaa.com/Europe 99.37 Hawaiian Airlineshttps://www.hawaiianairlines.com/Western US 99.99 Pakistan Intl. Airlineshttp://www4.piac.com.pk/pianew/Eastern Asia 99.95 Hilton Hotels http://www3.hilton.com/en/index.htmlEastern US 100 Vegas https://www.vegas.com/Western US 99.95 Lot http://www.lot.com/pl/en/Europe 99.97 Air Baltic https://www.airbaltic.com/en-LV/indexEurope 100 Starwood Hotels Sheratonhttp://www.starwoodhotels.com/sheraton/index.htmlEastern US 99.99 Wotif https://www.wotif.com/Australia 99.87 Flybe http://www.flybe.com/Europe 100 Condor https://www.condor.com/eu/index.jspEurope 99.97 Austrian https://www.austrian.com/Europe 99.99 Srilankan.com http://www.srilankan.com/en_uk/lkEastern Asia 93.74