Travel ‘The new flying etiquette’: JetBlue becomes first U.S. airline to make flyers wear face masks April 27, 2020April 28, 2020 Dawn Gilbertson, USA TODAY Comments Off on ‘The new flying etiquette’: JetBlue becomes first U.S. airline to make flyers wear face masks The New York-based airline said the new policy takes effect May 4. The airline is also requiring flight crews to cover their faces at work.