Condensed Consolidated Statement of Comprehensive Income - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
OPERATING REVENUE:
Operating Revenue	$ 5,149	$ 4,944
OPERATING EXPENSES:
Salaries, wages, and benefits	1,976	1,821
Fuel and oil	1,015	1,018
Maintenance materials and repairs	293	257
Landing fees and airport rentals	333	330
Depreciation and amortization	297	277
Other operating expenses	730	625
Total operating expenses	4,644	4,328
OPERATING INCOME	505	616
OTHER EXPENSES (INCOME):
Interest Expense	31	32
Capitalized interest	(9)	(10)
Interest income	(23)	(12)
Other (gains) losses, net	2	(4)
Total other expenses (income)	1	14
INCOME BEFORE INCOME TAXES	504	602
PROVISION FOR INCOME TAXES	117	139
NET INCOME	$ 387	$ 463
NET INCOME PER SHARE, BASIC	$ 0.70	$ 0.79
NET INCOME PER SHARE, DILUTED	$ 0.70	$ 0.79
COMPREHENSIVE INCOME	$ 463	$ 547
BASIC WEIGHTED AVERAGE SHARES OUTSTANDING
Basic	551	587
DILUTED WEIGHTED AVERAGE SHARES OUTSTANDING
Diluted	552	588
Passenger
OPERATING REVENUE:
Operating Revenue	$ 4,745	$ 4,585
Freight
OPERATING REVENUE:
Operating Revenue	42	42
Other
OPERATING REVENUE:
Operating Revenue	$ 362	$ 317