- Covid Live Updates: Omicron News, Vaccines and MoreThe New York Times
- Omicron Hits Airlines, Triggers Holiday Flight CancellationsMSNBC
- Airlines cancel more than 300 holiday flights due to omicron impacts on crewsYahoo! Voices
- Omicron cancels Christmas flightsABC News
- Europe’s Airlines Are Running Out of Pilots Because of High Sickness LevelsPaddle Your Own Kanoo