Live updates: 2,500 US flights canceled due to storms, virus

PROVIDENCE, Rhode Island — Wintry weather combined with the pandemic to frustrate air travelers whose return flights home from the holidays were canceled or delayed in the first days of the new year.

More than 2,500 U.S. flights and more than 4,100 worldwide were grounded Sunday, according to tracking service FlightAware.

That followed Saturday’s mass cancelations of more than 2,700 U.S. flights, and more than 4,700 worldwide. Saturday’s single-day U.S. toll was the highest since just before Christmas, when airlines began blaming staffing shortages on increasing COVID-19 infections among crews.

A winter storm that hit the Midwest on Saturday made Chicago the worst place in the country for travelers throughout the weekend as the region’s airports continued to recover Sunday morning. About a quarter of all flights at O’Hare Airport were canceled Sunday.

American Airlines said most of Sunday’s canceled flights had been canceled ahead of time to avoid last-minute disruptions at the airport.

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HERE’S WHAT YOU NEED TO KNOW TODAY ABOUT THE CORONAVIRUS PANDEMIC:

— Fauci says CDC may add test requirement for infected people ending isolation

— No end in sight for widespread flight cancelations due to US storms, pandemic

— UK makes contingency plans in case omicron leads to big staff shortages in hospitals, schools

— National Basketball Association calls up minor league referees to keep games going

— Dozens of US colleges and universities adapt to virus surge by returning to online classes

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Follow AP’s pandemic coverage at https://apnews.com/hub/coronavirus-pandemic

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HERE’S WHAT ELSE IS HAPPENING TODAY:

WASHINGTON — As the...