More than 7,300 flights were delayed or canceled across the nation Sunday amid the latest omicron-driven coronavirus surge.
About 1,400 flights entering, leaving or flying within the United States were canceled and about 5,900 were delayed Sunday, according to the tracking website FlightAware. More than 4,000 flights were delayed or canceled Christmas Day as days of scheduling nightmares left holiday travelers scrambling.
Delta, United and JetBlue have blamed the omicron variant for staffing problems. Flight delays and cancellations have been a recurring theme this year.