Airline stocks fall amid concerns that the travel recovery from the COVID-19 lows have slowedMarket Watch • 09/09/20
Delta Air Lines, Inc. (DAL) Presents at Cowen 2020 Global Transportation and Sustainable Mobility Conference (Transcript)Seeking Alpha • 09/09/20
Morgan Stanley's Airline Recovery Stock Picks: Why Analyst Is Bullish On Delta, Bearish On UnitedBenzinga • 09/08/20
Labor Day weekend air travel hits nearly 6-month high, but holiday caps dismal summer seasonCNBC • 09/08/20