United Airlines is delaying the return of Boeing 777 planes after dozens were grounded last year due to an engine failureBusiness Insider • 04/09/22
Airline Stocks Get Bounce From Strong Booking Trends That Defy War, COVID-19 and CostPYMNTS • 03/15/22
United Airlines Holdings, Inc. (UAL) Management Presents at J.P. Morgan 2022 Industrials Conference (Transcript)Seeking Alpha • 03/15/22
IAG, airlines rally on easing of travel restrictions in spite of fuel concernsProactive Investors • 03/15/22