U.S. airlines called off hundreds of flights for a third consecutive day on Sunday as surging COVID-19 infections due to the highly transmissible Omicron variant of the coronavirus grounded crews and forced tens of thousands of Christmas weekend travellers to change their plans.
Commercial airlines cancelled 656 flights within, into or out of the United States on Sunday, slightly down from nearly 1,000 from Christmas Day and nearly 700 on Christmas Eve, according to a tally on flight-tracking website FlightAware.com.
Further cancellations were likely, and more than 920 flights were delayed.
The Christmas holidays are typically a peak time for
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