Condensed Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Passenger:
Mainline	$ 7,924	$ 7,615	$ 22,027	$ 21,530
Regional carriers	1,475	1,456	4,291	4,273
Total passenger revenue	9,399	9,071	26,318	25,803
Cargo	187	167	530	494
Other	1,474	1,245	4,151	3,884
Total operating revenue	11,060	10,483	30,999	30,181
Operating Expense:
Salaries and related costs	2,715	2,463	7,804	7,165
Aircraft fuel and related taxes	1,519	1,422	4,207	3,877
Regional carriers expense	1,156	1,119	3,347	3,221
Depreciation and amortization	574	474	1,649	1,430
Contracted services	561	520	1,627	1,480
Aircraft maintenance materials and outside repairs	503	462	1,496	1,357
Passenger commissions and other selling expenses	482	466	1,344	1,291
Landing fees and other rents	400	399	1,144	1,123
Passenger service	315	264	806	674
Profit sharing	314	326	803	922
Aircraft rent	89	72	259	204
Other	593	527	1,593	1,505
Total operating expense	9,221	8,514	26,079	24,249
Operating Income	1,839	1,969	4,920	5,932
Non-Operating Expense:
Interest expense, net	(100)	(95)	(297)	(295)
Miscellaneous, net	66	26	(12)	47
Total non-operating expense, net	(34)	(69)	(309)	(248)
Income Before Income Taxes	1,805	1,900	4,611	5,684
Income Tax Provision	(627)	(641)	(1,606)	(1,933)
Net Income	$ 1,178	$ 1,259	$ 3,005	$ 3,751
Basic Earnings Per Share (in USD per share)	$ 1.64	$ 1.70	$ 4.15	$ 4.95
Diluted Earnings Per Share (in USD per share)	1.64	1.69	4.13	4.92
Cash Dividends Declared Per Share (in USD per share)	$ 0.31	$ 0.20	$ 0.71	$ 0.47
Comprehensive Income	$ 1,251	$ 1,326	$ 3,165	$ 3,814