The 4 Largest US Airline Corps March 2018 Quarter Pretax Earnings Plummet, Down 14% From the March 2017 Quarter ........................................................................................ These Airline Corps' Earnings Were Hurt By Higher Fuel Costs

From a review of SEC filings, the below chart shows the US GAAP Pretax Income (Loss) From Continuing Operations, the US GAAP Net Income (Loss) From Continuing Operations and the related US GAAP Income Tax Expense for the March 2018 and 2017 Quarters for all US Airline Corps with stock market caps above $10 Bil on April 30, 2018.

									US GAAP	US GAAP	US GAAP	US GAAP
		US GAAP				US GAAP			Effective	Effective	Pretax	Net
	US GAAP	Income	US GAAP		US GAAP	Income	US GAAP		Income	Income	Income	Income
	Pretax	Tax	Net		Pretax	Tax	Net		Tax	Tax	% Change	% Change
	Income	Expense	Income		Income	Expense	Income		Rate	Rate	March Qtr	March Qtr
US Airline Corps	March Qtr	March Qtr	March Qtr		March Qtr	March Qtr	March Qtr		March Qtr	March Qtr	2018	2018
Market Caps Above $10 Bil	2018	2018	2018		2017	2017	2017		2018	2017	vs 2017	vs 2017
	mils $	mils $	mils $		mils $	mils $	mils $
Delta Air Lines	718	171	547		849	288	561		23.8%	33.9%	-15%	-2%
Southwest Air	602	139	463		532	193	339		23.1%	36.3%	13%	37%
American Air Lines	273	87	186		535	195	340		31.9%	36.4%	-49%	-45%
United Continental Holdings	184	37	147		150	51	99		20.1%	34.0%	23%	48%
Total all 4	1,777	434	1,343		2,066	727	1,339		24.4%	35.2%	-14%	0%