Airlines have cancelled more than 4,500 flights during the Christmas weekend, as the Omicron variant of COVID-19 forces itinerary changes and holiday travel plans worldwide.
According to Flightaware, there were at least 2,000 cancellations on Saturday morning, with about 700 of those coming from the US.
On Friday, more than 2,400 cancellations and 11,000 delayed flights were reported by the flight tracking website. Another 600 cancelled flights were already announced for Sunday.
The cancellations
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