Condensed Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2015	Nov. 30, 2014	Nov. 30, 2015	Nov. 30, 2014
Condensed Consolidated Statements of Income
REVENUES	$ 12,453	$ 11,939	$ 24,732	$ 23,623
OPERATING EXPENSES:
Salaries and employee benefits	4,570	4,229	9,095	8,343
Purchased transportation	2,538	2,185	4,882	4,239
Rentals and landing fees	682	663	1,377	1,323
Depreciation and amortization	653	651	1,301	1,302
Fuel	615	1,052	1,327	2,172
Maintenance and repairs	529	543	1,077	1,099
Other	1,729	1,528	3,392	2,995
OPERATING EXPENSES	11,316	10,851	22,451	21,473
OPERATING INCOME	1,137	1,088	2,281	2,150
OTHER INCOME (EXPENSE):
Interest, net	(74)	(47)	(137)	(95)
Other, net	(8)	5	(5)	3
OTHER INCOME (EXPENSE)	(82)	(42)	(142)	(92)
INCOME BEFORE INCOME TAXES	1,055	1,046	2,139	2,058
PROVISION FOR INCOME TAXES	364	383	756	742
NET INCOME	$ 691	$ 663	$ 1,383	$ 1,316
EARNINGS PER COMMON SHARE:
Basic	$ 2.47	$ 2.34	$ 4.92	$ 4.63
Diluted	2.44	2.31	4.86	4.57
DIVIDENDS DECLARED PER COMMON SHARE	$ 0.25	$ 0.20	$ 0.75	$ 0.60