Barron's noted the 2015 forecast for earnings before interest, taxes, depreciation, and amortization for American Airlines Group (>> American Airlines Group Inc), Delta Air Lines (>> Delta Air Lines, Inc.), United Continental Holdings (>> United Continental Holdings Inc) and Southwest Airlines Co (>> Southwest Airlines Co) is for 40 percent growth to $29.2 billion. That compares to when Wall Street forecasted 2015 EBITDA to rise 7 percent to $22.7 billion in June 2014 before fuel costs started to fall.

The report said a drop in revenue per available seat, an important metric watched by investors, is a brief bump rather than a sign of a longer-term challenge.

On Friday, American Airlines closed at $39.97 a share, Delta closed at $41.35, United Continental closed at $52.01, and Southwest closed at $33.86.

(Reporting by Jennifer Saba in New York; Editing by Paul Simao)