A traveler pulls a ski bag on the way to the check-in counter for United Airlines in a terminal of Denver International Airport Friday, Dec. 24, 2021, in Denver. Major airlines canceled hundreds of flights Friday amid staffing shortages largely tied to the omicron variant of the coronavirus. (AP Photo/David Zalubowski)
December 25, 2021
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December 25, 2021 2 p.m.
Flight cancellations drag on as airlines short-staffed
FlightAware said airlines scrapped nearly 6,000 flights globally on Friday, Saturday and Sunday