Another 1,000 US flights canceled Monday as airlines scramble to deal with the omicron variant

More than 1,000 flights were canceled in the U.S. on Monday as the omicron variant continues to cause disruptions and delays nationwide – creating a chaotic situation for holiday travelers.

According to The Hill, FlightAware’s live cancellation and delay statistics have recorded 1,011 cancelled flights into, out of or within the U.S. as well as more than 2,400 delays as of Monday afternoon. Globally, the company has recorded close to 7,700 delays and more than 2,500 cancelled trips.

Within the U.S. market, SkyWest Airlines has experienced the highest number of flight disruptions, with 249 cancellations and 234 delays reported. Alaska Airlines, United, American Airlines and Delta have also reported a high number of cancelled or delayed flights.

Similarly, more than 7,300 flights in the U.S. were cancelled or delayed on Sunday, the day after Christmas. 

American Airlines cited “a number of COVID-related sick calls" for the delays, but said its operation would be "running smoothly.”

Across the country, airlines have said they are struggling with staffing issues as growing numbers of employees continue to call out of work – reportedly due to contracting the coronavirus.

Although the omicron variant – which continues to ravage the United States – appears to have milder symptoms, a recent study found that the new variant is more resistant to COVID-19 vaccines.

American Airlines, Delta and United issued statements on Monday citing a spike in coronavirus cases among their workers as well as the winter weather for the high volume of cancellations.

"The nationwide spike in omicron cases has had a direct impact on our flight crews and the people who run our operation. As a result, we’ve unfortunately had to cancel some flights and are notifying impacted customers in advance of them coming to the airport," said United.

Similarly, Delta COO John Laughter noted, “Canceling a flight is always Delta’s last resort. The result is not only difficult for customers, but for our people who want nothing more than to take care of them — especially over the holidays.”