DENVER INTERNATIONAL AIRPORT DOMESTIC MARKET SHARES DECEMBER 1997 VS. PREVIOUS MONTH AND PREVIOUS YEAR

DECEMBER 1997 NOVEMBER 1997 (1) DECEMBER 1996 (2) REVENUE REVENUE REVENUE PASS. MARKET PASS. MARKET PASS. MARKET AIRLINE IN AND OUT SHARE MONTH AGO SHARE YEAR AGO SHARE

AIR WISCONSIN/UAX 85,216 2.88% 55,930 2.17% 77,471 3.01%

AMERICAN 132,006 4.46% 108,755 4.22% 88,609 3.44%

AMERICA WEST 40,511 1.37% 33,584 1.30% 40,095 1.56%

ASPEN MTN AIR 4,279 0.14% 2,437 0.09% 3,044 0.12%

CARNIVAL AIRLINES 0 0.00% 0 0.00% 190 0.01%

CASINO 349 0.01% 228 0.01% 26 0.00%

CHAMPION AIR 411 0.01% 548 0.02% 71 0.00%

CONTINENTAL 76,517 2.58% 61,140 2.37% 61,286 2.38%

DELTA 139,395 4.71% 110,280 4.28% 140,351 5.45%

FRONTIER AIRLINES 102,368 3.46% 80,656 3.13% 96,839 3.76%

GREAT AMERICAN 0 0.00% 0 0.00% 251 0.01%

GREAT LAKES/UAX 11,556 0.39% 10,426 0.40% 18,217 0.71%

MESA/UAX 87,017 2.94% 73,151 2.84% 87,544 3.40%

MIAMI AIRLINES 315 0.01% 298 0.01% 1,116 0.04%

MOUNTAIN AIR EXPRESS 22,473 0.76% 19,189 0.75% 0 0.00%

MIDWEST EXPRESS 5,305 0.18% 4,189 0.16% 4,621 0.18%

NORTHWEST 66,155 2.23% 49,132 1.91% 65,930 2.56%

RENO AIR 10,656 0.36% 8,008 0.31% 12,166 0.47%

SUN PACIFIC 0 0.00% 0 0.00% 61 0.00%

SUN COUNTRY 2,850 0.10% 8,935 0.35% 3,389 0.13%

TRANSMERIDIAN 159 0.01% 0 0.00% 0 0.00%

TWA 34,284 1.16% 26,413 1.03% 41,315 1.61%

UNITED 1,917,732 64.79% 1,728,307 67.12% 1,773,370 68.91%

US AIRWAYS 37,481 1.27% 27,894 1.08% 40,012 1.55%

VANGUARD AIRLINES 19,319 0.65% 15,216 0.59% 17,510 0.68%

WESTERN PACIFIC 163,709 5.53% 150,064 5.83% 0 0.00% TOTALS 2,960,063 100.00% 2,574,780 100.00% 2,573,484 100.00%

(1) November 1997 revised. (2) December 1996 revised. Current

DOMESTIC MARKET SHARE DECEMBER 1997

WESTERN PACIFICAMERICAN CONTINENTAL OTHER DELTA NORTHWEST FRONTIER AIRLINES

UNITED EXPRESS

UNITED

Page 1 DENVER INTERNATIONAL AIRPORT TOTAL OPERATIONS AND TRAFFIC DECEMBER 1997

DECEMBER YEAR TO DATE % OF % OF % GRAND % GRAND INCR./ INCR./ TOTAL INCR./ INCR./ TOTAL 1997 1996 (10) DECR. DECR. 1997 1997 (9) 1996 (10) DECR. DECR. 1997

OPERATIONS (1) Air Carrier 29,648 27,283 2,365 8.7% 66.6% 341,879 322,023 19,856 6.2% 69.3% Air Taxi 12,997 9,731 3,266 33.6% 29.2% 128,271 107,816 20,455 19.0% 26.0% Military 51 66 (15) -22.7% 0.1% 770 791 (21) -2.7% 0.2% General Aviation 1,840 1,887 (47) -2.5% 4.1% 22,394 22,489 (95) -0.4% 4.5% TOTAL 44,536 38,967 5,569 14.3% 100.0% 493,314 453,119 40,195 8.9% 100.0%

PASSENGERS (2) Internationals (3) In 16,751 12,184 4,567 37.5% 194,961 164,266 30,695 18.7% Out 18,298 13,070 5,228 40.0% 198,330 167,571 30,759 18.4% TOTAL 35,049 25,254 9,795 38.8% 1.1% 393,291 331,837 61,454 18.5% 1.1%

Majors (4) In 1,302,823 1,199,234 103,589 8.6% 14,654,281 14,020,558 633,723 4.5% Out 1,260,518 1,156,249 104,269 9.0% 14,690,032 14,052,165 637,867 4.5% TOTAL 2,563,341 2,355,483 207,858 8.8% 81.9% 29,344,313 28,072,723 1,271,590 4.5% 83.9%

Nationals (5) In 200,449 106,181 94,268 88.8% 1,869,077 1,250,847 618,230 49.4% Out 201,869 111,441 90,428 81.1% 1,881,075 1,256,447 624,628 49.7% TOTAL 402,318 217,622 184,696 84.9% 12.9% 3,750,152 2,507,294 1,242,858 49.6% 10.7%

Regionals (6) In 47,933 51,146 (3,213) -6.3% 625,886 635,922 (10,036) -1.6% Out 55,428 58,454 (3,026) -5.2% 662,671 656,653 6,018 0.9% TOTAL 103,361 109,600 (6,239) -5.7% 3.3% 1,288,557 1,292,575 (4,018) -0.3% 3.7%

Supplementals (7) In 13,506 2,552 10,954 429.2% 95,017 45,584 49,433 108.4% Out 13,051 2,552 10,499 411.4% 97,691 46,161 51,530 111.6% TOTAL 26,557 5,104 21,453 420.3% 0.8% 192,708 91,745 100,963 110.0% 0.6%

GRAND TOTAL PASSENGERS 3,130,626 2,713,063 417,563 15.4% 100.0% 34,969,021 32,296,174 2,672,847 8.3% 100.0% CARGO BY TYPE (LBS) (8)

AIR MAIL In 17,786,896 17,635,268 151,628 0.9% 163,522,721 146,073,711 17,449,010 11.9% Out 16,488,826 16,280,269 208,557 1.3% 151,756,471 137,491,653 14,264,818 10.4% TOTAL 34,275,722 33,915,537 360,185 1.1% 35.3% 315,279,192 283,565,364 31,713,828 11.2% 32.7%

FREIGHT & EXPRESS In 34,105,264 27,615,617 6,489,647 23.5% 351,102,150 306,326,739 44,775,410 14.6% Out 28,767,612 24,265,358 4,502,254 18.6% 297,683,390 269,836,081 27,847,309 10.3% TOTAL 62,872,876 51,880,975 10,991,901 21.2% 64.7% 648,785,540 576,162,820 72,622,720 12.6% 67.3% CARGO BY CARRIER

CARGO 51,914,698 43,320,517 8,594,181 19.8% 53.4% 509,372,167 448,463,634 60,908,533 13.6% 52.8% PASSENGER 45,233,900 42,475,995 2,757,905 6.5% 46.6% 454,692,565 411,264,550 43,428,015 10.6% 47.2%

GRAND TOTAL 97,148,598 85,796,512 11,352,086 13.2% 100.0% 964,064,732 859,728,184 104,336,548 12.1% 100.0% CARGO

(1) An aircraft operation is either a landing or takeoff or contact with the control tower (as reported by FAA). (2) Revenue and non revenue passengers as reported by the individual airlines. (3) Aeromexico, Air Canada, Allegro, Aviacsa, Champion Int'l, Korean Air, Martinair, Mexicana, Miami, Monarch, Outfitter Air Service, and Transmeridian.

(5) Air Wisconsin/UAX, Frontier, Midwest Express, Reno, Vanguard, and Western Pacific. (6) Aspen Mtn Air, Great Lakes/UAX, Maverick, Mesa/UAX, and Mountain Air Express. (7) American Trans Air, Carnival, Casino, Champion Air, Great American, Miami, Nations Air, Sun Country, and Sun Pacific. (8) For Detail see Attached Cargo Report. (9) 1997 Year to Date revised. (10) 1996 December and Year to Date revised. DENVER INTERNATIONAL AIRPORT TOTAL PASSENGERS BY AIRLINE DECEMBER 1997

DECEMBER YEAR TO DATE %% INCREASE/ INCR./ INCREASE/ INCR./ AIRLINE (1) 1997 1996 (4) DECREASE DECR. 1997 (3) 1996 (4) DECREASE DECR.

AIR CANADA 8,989 7,501 1,488 19.8% 113,496 130,590 (17,094) -13.1% AIR WISCONSIN/UAX 87,283 79,391 7,892 9.9% 977,479 860,542 116,937 13.6% ALLEGRO 9,190 0 9,190 100.0% 93,606 6,889 86,717 1258.8% AMERICA WEST 42,952 42,291 661 1.6% 515,248 508,198 7,050 1.4% AMERICAN 139,234 94,589 44,645 47.2% 1,493,601 1,364,428 129,173 9.5% ASPEN MTN AIR 4,279 3,044 1,235 40.6% 36,037 3,371 32,666 969.0% AVIACSA 0 8,166 (8,166) -100.0% 60,869 71,471 (10,602) -14.8% CONTINENTAL 88,607 73,615 14,992 20.4% 964,335 909,641 54,694 6.0% DELTA 143,829 144,681 (852) -0.6% 1,632,972 1,640,299 (7,327) -0.4% FRONTIER AIRLINES 109,241 103,242 5,999 5.8% 1,316,475 1,141,458 175,017 15.3% GREAT LAKES/UAX 12,065 19,012 (6,947) -36.5% 148,497 203,771 (55,274) -27.1% KOREAN AIR 1,344 0 1,344 100.0% 9,204 0 9,204 100.0% MARTINAIR 918 989 (71) -7.2% 16,523 16,812 (289) -1.7% MESA/UAX 87,017 87,544 (527) -0.6% 1,091,162 1,084,208 6,954 0.6% MEXICANA 9,005 7,889 1,116 14.1% 91,872 100,274 (8,402) -8.4% MIDWEST EXPRESS 5,305 4,621 684 14.8% 61,099 62,570 (1,471) -2.4% MONARCH AIRLINE 2,039 0 2,039 100.0% 2,039 0 2,039 100.0% MOUNTAIN AIR EXPRESS 22,473 0 22,473 100.0% 115,304 0 115,304 100.0% NORTHWEST 68,865 68,414 451 0.7% 790,051 757,001 33,050 4.4% RENO AIR 10,979 12,511 (1,532) -12.2% 159,544 66,690 92,854 139.2% SUN COUNTRY 2,850 3,389 (539) -15.9% 58,736 57,351 1,385 2.4% TRANSMERIDIAN INT'L 3,538 468 3,070 656.0% 3,538 1,193 2,345 196.6% TWA 35,828 43,686 (7,858) -18.0% 441,662 490,698 (49,036) -10.0% UNITED 2,003,307 1,844,850 158,457 8.6% 23,002,810 21,919,958 1,082,852 4.9% US AIRWAYS 40,719 43,357 (2,638) -6.1% 503,634 482,500 21,134 4.4% VANGUARD AIRLINES 19,585 17,857 1,728 9.7% 203,124 376,034 (172,910) -46.0% WESTERN PACIFIC 169,925 0 169,925 100.0% 1,032,431 0 1,032,431 100.0% OTHER (2) 1,260 1,956 (696) -35.6% 33,673 40,227 (6,554) -16.3% TOTALS 3,130,626 2,713,063 417,563 15.4% 34,969,021 32,296,174 2,672,847 8.3% DEPLANED PASSENGERS 1,581,462 1,371,297 210,165 15.3% 17,439,222 16,117,177 1,322,045 8.2% ENPLANED PASSENGERS 1,549,164 1,341,766 207,398 15.5% 17,529,799 16,178,997 1,350,802 8.3% TOTAL PASSENGERS 3,130,626 2,713,063 417,563 15.4% 34,969,021 32,296,174 2,672,847 8.3%

(1) Passenger totals represent revenue and nonrevenue passengers as reported by the individual airlines. (2) Other in 1997 represents Aero Mexico, American Trans Air, Carnival, Casino, Champion, Great American, Maverick, Miami, Nations Air, Outfitter Air Service, Sun Pacific, and Transmeridian. (3) 1997 year to date revised. (4) 1996 December and year to date revised.