Airline earnings landed with turbulence this time, and for investors in aviation-focused ETFs, the contrast between American Airlines Group Inc (NASDAQ:AAL) and JetBlue Airways Corp (NASDAQ:JBLU) is bringing the growing differences within aviation ETFs in focus. • American Airlines Group stock is among today’s weakest performers. Why is AAL stock falling?American Airlines Group reported a fourth-quarter earnings miss but guided to a stronger-than-expected 2026, even after pricing in revenue headwinds from W ...