Condensed Consolidated Statement of Comprehensive Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
OPERATING REVENUES:
Passenger	$ 4,905	$ 4,852	$ 9,303	$ 9,030
Freight	45	46	87	90
Other	434	213	820	405
Total operating revenues	5,384	5,111	10,210	9,525
OPERATING EXPENSES:
Salaries, wages, and benefits	1,639	1,607	3,179	3,026
Fuel and oil	903	1,005	1,755	1,882
Maintenance materials and repairs	280	240	543	469
Aircraft rentals	59	59	118	119
Landing fees and other rentals	309	299	611	584
Depreciation and amortization	299	250	588	494
Acquisition and integration	0	3	0	26
Other operating expenses	619	563	1,196	1,060
Total operating expenses	4,108	4,026	7,990	7,660
OPERATING INCOME	1,276	1,085	2,220	1,865
OTHER EXPENSES (INCOME):
Interest Expense	32	29	62	62
Capitalized interest	(11)	(7)	(22)	(14)
Interest income	(6)	(2)	(11)	(3)
Other (gains) losses, net	(43)	88	71	121
Total other expenses (income)	(28)	108	100	166
INCOME BEFORE INCOME TAXES	1,304	977	2,120	1,699
PROVISION FOR INCOME TAXES	484	369	787	638
NET INCOME	$ 820	$ 608	$ 1,333	$ 1,061
NET INCOME PER SHARE, BASIC	$ 1.30	$ 0.91	$ 2.09	$ 1.58
NET INCOME PER SHARE, DILUTED	$ 1.28	$ 0.90	$ 2.07	$ 1.57
COMPREHENSIVE INCOME	$ 1,086	$ 686	$ 1,756	$ 1,135
BASIC WEIGHTED AVERAGE SHARES OUTSTANDING
Basic	632	665	637	670
DILUTED WEIGHTED AVERAGE SHARES OUTSTANDING
Diluted	639	673	644	678
Cash dividends declared per common share	$ 0.100	$ 0.075	$ 0.175	$ 0.135