WASHINGTON - At least 2,400 flights were canceled around the world on Monday, including about 880 flights in the U.S., as the nation’s travel woes extended into the post-Christmas workweek amid the rapid spread of the omicron variant.There were also more than 6,500 flights delayed globally, according to the flight-tracking website FlightAware.
That included 1,735 total delays of flights within, into or out of the U.S. The latest COVID-19 variant upended holiday plans for tens of thousands of travelers over the weekend.