MIAMI (CBSMiami) – It’s another day of delays and cancellations at South Florida’s airports as an arctic blast wreaks havoc to our north.

Air traffic has been all but halted for some airports in the northeast as the polar vortex descends on the area. JetBlue has been impacted throughout the northeast corridor.

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JetBlue has canceled 373 flights as of 4 p.m. Monday with another 220 flights delayed by the airline. Officially, JetBlue will reduce operations at all three New York airports and Boston’s Logan Airport at 1 p.m. Monday.

The company said it would not ramp up service until 10 a.m. Tuesday, but hopes to be fully functional by 3 p.m. Tuesday.

JetBlue waived the change/cancel fees for customers in the northeast who have been impacted by the delays and cancellations. The airline said that further cancellations are “still occurring as crews exceed their allowed duty times.”

At Ft. Lauderdale-Hollywood International Airport on Monday, the airport had seen 35 arrival cancellations and 112 arrival delays as of 4 p.m. with another 43 departure cancellations and 114 departure delays.

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At Miami International Airport, reported significant to excessive delays with the number of delays increasing. As of 4 p.m., MIA had 16 arrival and 12 departure cancellations and 15 delayed arrivals and 5 delayed departures.

Airports affected are Chicago, New York, Newark, Atlanta, Hartford, St. Louis, Greensboro, Indianapolis, Washington, Toronto, Montreal, Detroit, Minneapolis and Denver.

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More than 4,000 flights have been canceled Monday at airports throughout the Midwest and northeastern corridor of the United States.

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Chicago’s O’Hare International Airport has seen 874 arrivals canceled and another 869 departures canceled.