TABLE 1

FAA Forecasts	Year	O'Hare Enplanements	O'Hare Operations

1992 ACE Plan	2000	41,722,000	827,000
1993 ACE Plan	2005	42,25O,000	849,000
1994 ACE Plan	2005	46,991,000	848,000
1995 ACE Plan	2010	55,945,000	966,000
1996 ACE Plan	2010	50,133,000	1,168,000

TABLE 2

		Midway Enplanements	Midway Operations

1992 ACE Plan	2000	5,898,000	383,000
1993 ACE Plan	2005	7,442,000	408,000
1994 ACE Plan	2005	3,287,000	239,000
1995 ACE Plan	2010	10,830,000	372,000
1996 ACE Plan	2010	6,946,000	329,000

TABLE 3

	Enplanements	Operations

O'Hare	55,945,000	966,000
Midway	10,830,000	372,000
Total	66,775,000	1,338,000

TABLE 4

	Enplanements	Operations

O'Hare	50,133,000	1,168,000
Midway	6,946,000	329,000
Total	57,079,000	1,497,000

TABLE 5

	1990	1991	1992	1993	1994	1995	1996

PD's	4	4	5	13	9	9	9
OED's	4	10	9	6	9	9	9
NMAC's	0	0	2	0	1	1	1
NTSB (Accidents)	1	3	1	2	2	2	2
AID's (Incidents)	20	11	16	7	11	11	11
VPD's	1	1	4	1	1	1	1
RI's	2	3	3	2	5	5	5

TABLE 6

Fiscal Years 1995 and 1997 Terminal Area Forecast for Chicago O'Hare and Midway, Projections to 2000 and 2010

	Enplanements (000)			Operations
	1995	1997	Percent Change	1995	1997	Percent Change
O'Hare Projection to 2000	36,803	35,782	-2.8%	925	939	939
Projection to 2010	48,069	46,317	-3.6%	1,007	1,081	1,081
Midway Projection to 2000	5,980	4,981	-16.7%	287	273	273
Projection to 2010	9,524	6,961	-26.9%	304	310	310
Total Projection to 2000	42,783	40,763	-4.7%	1,212	1,212	1,212
Projection to 2010	57,593	53,278	-7.5%	1,310	1,391	1,391

TABLE 7

Chicago O'Hare Forecast 1996-2020

	Enplanements			Operations
Year	Air Carrier	Commuter	Total	Air Carrier	Air Taxi	Commercial	General Aviation	Military	Local	Total
1996	30,239,534	1,934,960	32,174,494	751,067	119,735	119,735	119,735	119,735	119,735	119,735
2000	33,513,982	2,268,134	35,782,116	775,719	126,580	126,580	126,580	126,580	126,580	126,580
2005	38,040,941	3,008,712	41,049,653	832,239	143,781	143,781	143,781	143,781	143,781	143,781
2010	42,567,901	3,749,291	46,317,192	888,760	160,983	160,983	160,983	160,983	160,983	160,983
2015	46,998,402	4,452,982	51,451,384	948,051	181,251	181,251	181,251	181,251	181,251	181,251
2020	51,636,169	5,263,245	56,899,414	1,006,316	194,299	194,299	194,299	194,299	194,299	194,299

TABLE 8

Chicago Midway Forecast 1996-2020

	Enplanements			Operations
Year	Air Carrier	Commuter	Total	Air Carrier	Air Taxi	Commercial	General Aviation	Military	Local	Total
1996	4,401,777	74,984	4,476,761	126,057	48,431	48,431	48,431	48,431	48,431	48,431
2000	4,890,280	90,309	4,980,589	134,379	50,488	50,488	50,488	50,488	50,488	50,488
2005	5,855,042	115,851	5,970,893	153,906	53,895	53,895	53,895	53,895	53,895	53,895
2010	6,819,804	141,393	6,961,197	173,433	57,302	57,302	57,302	57,302	57,302	57,302
2015	7,529,615	172,855	7,702,470	189,614	61,125	61,125	61,125	61,125	61,125	61,125
2020	8,191,766	208,290	8,400,056	204,268	65,202	65,202	65,202	65,202	65,202	65,202

TABLE 9

Chart I Average Yields (cents) Per Mileage Block

Year Ended September 30, 1997

	Under 250 Miles	251-500	501-1,000	1,001-1,500

Cincinnati	62	46	24	15
Dallas/Fort Worth	33	24	21	NA
Detroit	46	35	21	12
Ave. Yield	47	35	22	12
Ave. Premium	48%	84%	69%	40%
Los Angeles	27	16	12	12
Seattle	37	21	10	NA
Kansas City	28	19	16	9
Ave. Yield	31	19	13	10

Yield = passenger revenues divided by passenger miles.

Based on U.S. DOT O&D Survey

TABLE 10

Chart II Airline Market Share Distribution

Top Three Positions

	#1 Airline	#2 Airline	#3 Airline

Cincinnati	77%	18%	1%
Dallas/Fort Worth	65%	18%	6%
Detroit	75%	4%	1%
Los Angeles	30%	13%	12%
Seattle	31%	16%	10%
Kansas City	20%	12%	11%

U.S. Carriers Systemwide Market Share At Leading U.S., the year 1997.

Based on carrier filings with DOT.

Source: Aviation Daily

TABLE 11

Chart III Airline Operations

Domestic & International

	Non-Stop Seats	Non-Stop Points Served

Cincinnati	13 million	109
Dallas/Fort Worth	45 million	139
Detroit	25 million	111
Ave.	28 million	120
Los Angeles	53 million	116
Seattle	20 million	79
Kansas City	9 million	49
Ave.	27 million	81

Note: �Seats represent inbound and outbound services. Jets only. Calendar year 1997 for domestic operations, and 12 months ended October, 1997 for international operations. Source: U.S. DOT, Schedule T-100.

Note: �Non-Stop Points Served source: Official Airline Guide, Week of May 1-7, 1998.

TABLE 12

U.S. DOMESTIC SCHEDULED PASSENGER CARRIERS THE YEAR 1997

		U.S. DOMESTIC NET INCOME (0000)	CARRIER GROUP SHARE OF U.S. DOMESTIC RPM'S

LARGE SCHEDULED PASSENGER CARRIERS (Since 1989)
	RENO	($11,628)
	AIRTRAN	($15,344)
	VALUJET (Merged with AirTran)	($86,833)
	FRONTIER	($18,945)
	MIDWAY (Relocated to Raleigh/Durham in 199)	$24,950
	SPIRIT	$887
	VANGUARD	($28,246)
	KIWI INTERNATIONAL	($19,862)
	EASTWIND	n/a
	SUN WORLD INTERNATIONAL	n/a
	PRESTIGE	n/a
	PRO AIR (Began Operation in 1997)	n/a
NO SCHEDULED SERVICE AS OF APRIL 1998
	PAN AMERICAN	($50,620)
	CARNIVAL (Merged with Pan Am)	($75,978)
	WESTERN PACIFIC	($55,601)
	AIR SOUTH	($15,362)
	AIR 21	n/a
	JETTRAIN	n/a
	NATIONS AIR	n/a
	TRISTAR	n/a
	TOTAL	($352,581)	2.98%
MAJORS
	DELTA	$736,965
	UNITED	$494,238
	AMERICAN	$459,291
	NORTHWEST	$542,455
	CONTINENTAL (Proposed NW Alliance)	$218,218
	AMERICAN WEST (Existing Alliance with CO)	$101,988
	US AIRWAYS	$1,033,167
	SOUTHWEST	$317,772
	TWA	$21,375
	ALASKA	$74,030
	TOTAL	$3,999,499	93.15%
ALL OTHER CARRIERS
	ALOHA	$4,267
	AMERICAN TRANS AIR	$11,195
	HAWAIIAN	($1,305)
	MIDWEST EXPRESS	$24,229
	TOWER AIR	($17,219)
	USAIR SHUTTLE INC. (Acquired by US Airways)	$2,794
	AIR WISCONSIN	$3,669
	ATLANTIC SOUTHEAST	$50,190
	CONTINENTAL EXPRESS	$35,877
	EXECUTIVE AIRLINES	$1,742
	HORIZON	$2,966
	MESA	($13,553)
	TRANS STATES	$24,690
	ALL OTHERS	$368,353
	TOTAL	$497,895	3.8%
TOTAL U.S. DOMESTIC		$4,144,812	100%

Source: DOT Form 41

(n/a: no data reported)

TABLE 13

U.S. DOMESTIC SCHEDULED PASSENGER CARRIERS REVENUE PASSENGER MILES (000) 1996-97

		U.S. DOMESTIC		U.S. DOMESTIC
		1996	PERCENT	1997	PERCENT
PASSENGER CARRIERS (Since 1989)
	RENO	2,756,252	0.648	2,904,166	0.656
	AIRTRAN	929,699	0.219	929,980	0.210
	VALUJET (Merged with AirTran)	1,467,956	0.345	1,467,455	0.332
	FRONTIER	782,861	0.184	1,028,272	0.232
	MIDWAY (Relocated to Raleigh/Durham in 1995)	988,433	0.232	652,219	0.147
	SPIRIT	550,921	0.130	635,502	0.144
	VANGUARD	653,024	0.154	560,149	0.127
	KIWI INTERNATIONAL	815,377	0.192	449,200	0.101
	EASTWIND	63,403	0.015	77,408	0.017
	SUN WORLD INTERNATIONAL	5,445	0.001	23,262	0.005
	PRESTIGE	21,166	0.005	2,593	0.001
	PRO AIR (Began Operation in 1997)	n/a	n/a	n/a	n/a
NO SCHEDULED SERVICE AS OF APRIL 1998
	PAN AMERICAN	120,169	0.028	1,013,219	0.229
	CARNIVAL (Merged with Pan Am)	2,025,949	0.476	1,452,070	0.328
	WESTERN PACIFIC	1,519,890	0.357	1,795,773	0.406
	AIR SOUTH	354,044	0.083	196,197	0.044
	AIR 21	53,549	0.013		0.000
	JETTRAIN	62,326	0.015		0.000
	NATIONS AIR	13,539	0.003		0.000
	TRISTAR	n/a	n/a		0.000
	TOTAL	13,184,003	3.10%	13,187,465	2.98%
MAJORS
	DELTA	72,908,095	17.142	77,776,696	17.570
	UNITED	72,491,324	17.044	75,015,635	16.946
	AMERICAN	72,830,395	17.124	74,313,191	16.788
	NORTHWEST	38,998,541	9.169	40,907,227	9.241
	CONTINENTAL (Proposed NW Alliance)	30,423,327	7.153	33,394,454	7.544
	AMERICAN WEST (Existing Alliance with CO)	14,901,359	3.504	15,757,078	3.560
	US AIRWAYS	35,973,074	8.458	37,559,725	8.485
	SOUTHWEST	27,085,487	6.368	28,359,109	6.406
	TWA	19,512,407	4.588	19,736,454	4.459
	ALASKA	9,045,162	2.127	9,545,055	2.156
	TOTAL	394,169,171	92.68%	412,364,624	93.15%
ALL OTHER CARRIERS
	ALOHA	695,716	0.164	720,868	0.163
	AMERICAN TRANS AIR	4,725,075	1.111	3,184,406	0.719
	HAWAIIAN	3,130,865	0.736	3,312,899	0.748
	MIDWEST EXPRESS	1,239,146	0.291	1,409,103	0.318
	TOWER AIR	1,490,174	0.350	1,678,153	0.379
	USAIR SHUTTLE INC. (Aquired by US Airways)	276,527	0.065	295,878	0.067
	AIR WISCONSIN	524,474	0.123	607,980	0.137
	ATLANTIC SOUTHEAST	877,276	0.206	928,038	0.210
	CONTINENTAL EXPRESS	900,230	0.212	1,176,256	0.266
	EXECUTIVE AIRLINES	40,733	0.010	37,759	0.009
	HORIZON	867,459	0.204	889,943	0.201
	MESA	998,608	0.235	507,575	0.115
	TRANS STATES	426,009	0.100	484,870	0.110
	ALL OTHERS	1,769,258	0.416	1,883,425	0.425
	TOTAL	17,961,550	4.22%	17,117,153	3.87%
TOTAL U.S. DOMESTIC		425,314,724	100%	442,669,242	100%

Source: DOT Form 41

(n/a: no data reported)