Flight Cancellations Grow on Christmas Day as Omicron Disrupts.
A flurry of flight cancellations continued on Christmas Day, with U.S. airlines scrapping nearly 1,000 flights as the rapid spread of the Omicron variant of the coronavirus caused crew members to call out sick. The cancellations affected more than 10 percent of the flights scheduled by Delta Air Lines, United Airlines and JetBlue. American Airlines…
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