“More than 4,000 flights within, into or out of the U.S. were disrupted as of Wednesday afternoon as airlines try to rebound from severe storms that slammed the East Coast in recent days.

FlightAware showed 839 flights within, into or out of the U.S. were canceled as of 2:30 p.m. ET. There were more than 3,330 delays.

United Airlines was hit the hardest, with more than 400 cancellations and 650 delays. JetBlue Airways canceled 91 flights while more than 330 were delayed.”

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