- United and Delta cancel flights just before Christmas Eve CNN
- Airlines cancel holiday flights due to omicron impacts on crews Yahoo! Voices
- Omicron variant causes Christmas flight cancellations and holiday travel headaches Fox Business
- Airlines cancel Christmas Eve flights over omicron impacts FOX31 Denver
- Christmas Eve Flights Canceled, Times Square Celebration Scaled Back Amid Omicron The New York Times
United and Delta cancel flights just before Christmas Eve – CNN
