Condensed Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 29, 2016	Feb. 28, 2015	Feb. 29, 2016	Feb. 28, 2015
Condensed Consolidated Statements of Income
REVENUES	$ 6,318	$ 6,388	$ 18,923	$ 19,687
OPERATING EXPENSES:
Salaries and employee benefits	2,509	2,444	7,364	7,198
Purchase transportation	398	432	1,237	1,354
Rentals and landing fees	445	428	1,239	1,263
Depreciation and amortization	340	362	1,030	1,098
Fuel	455	697	1,579	2,573
Maintenance and repairs	304	322	976	1,055
Intercompany charges, net	494	483	1,458	1,434
Other	818	816	2,405	2,445
OPERATING EXPENSES	5,763	5,984	17,288	18,420
OPERATING INCOME	555	404	1,635	1,267
OTHER INCOME (EXPENSE):
Interest, net	3	5	16	13
Other, net	(50)	(34)	(134)	(91)
OTHER INCOME (EXPENSE)	(47)	(29)	(118)	(78)
INCOME BEFORE INCOME TAXES	508	375	1,517	1,189
PROVISION FOR INCOME TAXES	175	131	502	416
NET INCOME	$ 333	$ 244	$ 1,015	$ 773