United and American Airlines are replacing planes with buses on some routes in an attempt to tackle the pilot shortageBusiness Insider • 04/24/22
United Airlines Holdings, Inc. (UAL) CEO Scott Kirby on Q1 2022 Results - Earnings Call TranscriptSeeking Alpha • 04/21/22
The Ratings Game: United, American Airlines get quarterly boost from ‘revenge travel'Market Watch • 04/21/22
United Sees Profitable 2022 Despite Fuel Costs; American Airlines Earnings BeatInvestors Business Daily • 04/21/22
United says it will allow passengers banned for mask-related incidents to fly again on a 'case-by-case basis'Business Insider • 04/20/22