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Over 4,000 flights were canceled around the world, more than half of the US flights, adding to the toll of holiday week travel disruptions due to adverse weather and the surge in coronavirus cases caused by the Omicron variant.
The flights canceled by 8 pm GMT on Sunday included over 2,400 enterings, departing from or within the United States, according to the tracking website FlightAware.com. Globally, more than 11,200 flights were delayed.
Among the airlines with the most cancellations were SkyWest and SouthWest with 510 and 419 cancellations respectively, FlightAware showed.
