Warren Buffett Dumps Berkshire Hathaway's Airline Stocks, but I'm Not SellingThe Motley Fool • 05/03/20
Warren Buffett dumps US airline stocks, saying 'world has changed' after Covid-19The Guardian • 05/03/20
Warren Buffett says Berkshire sold its entire position in airlines because of the coronavirusCNBC • 05/02/20
American Airlines (AAL) CEO, Doug Parker on Q1 2020 Results - Earnings Call TranscriptSeeking Alpha • 04/30/20