United Airlines to require all passengers to wear face masks in airports or risk a flying banMarket Watch • 07/22/20
United Airlines Took Industry-Leading Steps to Manage Historic Impact of COVID-19 in Q2PRNewsWire • 07/21/20
What To Expect From A Major U.S. Airline In The Age Of Covid-19 When It Reports Earnings On TuesdayForbes • 07/20/20
United Airlines to improve airflow and filtration, to board and deplane fewer passengers at a timeMarket Watch • 07/20/20
Acme United Corporation (ACU) CEO Walter Johnsen on Q2 2020 Results - Earnings Call TranscriptSeeking Alpha • 07/17/20