US flight cancellations and delays threaten global New Year travel chaos

Over 2,400 flights were canceled globally as of Friday, including over 1,100 flights within the US or entering or departing it

Thousands of flights within the United States and internationally were delayed and hundreds were canceled early on New Year's Eve, adding to the tally of delays and cancellations during the holiday week due to adverse weather conditions and rising cases of the Omicron coronavirus variant.

Over 2,400 flights were canceled globally as of early Friday, including over 1,100 flights within the United States or entering or departing it, according to a running tally on flight-tracking website FlightAware.com. There were nearly 4,000 global flight delays in total.