Airlines in the United States have canceled or delayed thousands of flights during peak holiday travel on Friday due to severe winter storm warnings, according to flight tracking website FlightAware.

A total of 1,097 flights were canceled and 3,608 delayed as of 12:00 p.m. ET, the website said.

The National Weather Service issued warnings of winter storms this afternoon which “will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning.”

Airports in impacted regions such as John F. Kennedy Airport and Detroit Metropolitan Wayne County Airport have also put out posts on X, warning travelers of potential delays or cancellations.

JetBlue Airways has canceled 225 flights, the most among the carriers, closely followed by Delta Air Lines canceling 177 flights and 153 by Republic Airways.

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(Reporting by Aatreyee Dasgupta in Bengaluru; Editing by Shailesh Kuber)