CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Operating Revenue
Total Operating Revenue	$ 4,065	$ 3,704	$ 7,365	$ 6,841
Operating Expenses
Wages and benefits	1,239	1,165	2,481	2,292
Variable incentive pay	65	61	95	123
Aircraft fuel	1,305	700	2,101	1,381
Aircraft maintenance	256	240	472	460
Aircraft rent	64	64	125	126
Landing fees and other rentals	305	278	596	520
Contracted services	158	146	309	291
Selling expenses	115	105	214	205
Depreciation and amortization	207	199	411	393
Food and beverage service	107	97	202	182
Third-party regional carrier expense	68	69	124	133
Other	302	247	605	508
Special items - operating	42	56	77	147
Total Operating Expenses	4,233	3,427	7,812	6,761
Operating Income (Loss)	(168)	277	(447)	80
Non-operating Income (Expense)
Interest income	21	22	40	48
Interest expense	(86)	(66)	(162)	(132)
Interest capitalized	13	9	23	21
Other - net	6	(4)	15	(12)
Total Non-operating Expense	(46)	(39)	(84)	(75)
Income (Loss) Before Income Tax	(214)	238	(531)	5
Income tax expense (benefit)	(138)	66	(262)	(1)
Net Income (Loss)	$ (76)	$ 172	$ (269)	$ 6
Basic Earnings (Loss) Per Share (in dollars per share)	$ (0.68)	$ 1.45	$ (2.39)	$ 0.05
Diluted Earnings (Loss) Per Share (in dollars per share)	$ (0.68)	$ 1.42	$ (2.39)	$ 0.05
Weighted Average Shares Outstanding used for computation:
Basic	111,127,000	118,847,000	112,702,000	120,979,000
Diluted	111,127,000	120,930,000	112,702,000	123,183,000
Passenger revenue
Operating Revenue
Total Operating Revenue	$ 3,644	$ 3,355	$ 6,564	$ 6,163
Passenger revenue | Passenger
Operating Revenue
Total Operating Revenue	3,644	3,355	6,564	6,163
Loyalty Plan Revenue
Operating Revenue
Total Operating Revenue	646	571	1,220	1,094
Loyalty Plan Revenue | Passenger
Operating Revenue
Total Operating Revenue	388	361	735	677
Loyalty Plan Revenue | Loyalty program other
Operating Revenue
Total Operating Revenue	258	210	485	417
Cargo and other revenue
Operating Revenue
Total Operating Revenue	163	139	316	261
Cargo and other revenue | Cargo and Freight
Operating Revenue
Total Operating Revenue	$ 163	$ 139	$ 316	$ 261