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plane parked at the airport in winter
Plane parked at the airport in winter
Getty Images/iStockphoto

More than a thousand flights have already been cancelled in the Northeast in anticipation of a winter storm that is expected to dump at least a foot of snow across the region this week.

According to FlightAware's cancellation listing for March 13, hundreds of flights leaving Chicago — where the same storm system already touched down Monday — have been cancelled. The listing for March 14 shows that hundreds more flights down the East Coast have also been axed, most of which are coming from airports in New Jersey, New York City, Boston and the Baltimore-Washington D.C. area.

Southwest Airlines cancelled 884 flights scheduled for Tuesday, while JetBlue has cancelled more than 600. Since making it in and out of the Northeast in the next few days may be problematic, here's what you should do if your flight is cancelled.

Southwest: Customers can rebook or travel standby within 14 days of their original travel date without an additional charge.

JetBlue: Customers traveling to or from cities affected by the storm can rebook their flights from March 13 to March 16 or opt for a refund for trips booked before March 10.

American Airlines: Customers traveling in and out of affected cities can alter their trips to travel March 15 or March 17, depending on the airport, without a change fee.

United: Customers traveling through affected airports can rebook through March 17 without paying a change fee.

Spirit: Customers going to affected cities can rebook through March 16 or March 18, depending on the airport.

Delta: Customers going to affected cities on March 14 or March 15 can rebook travel through March 17 without a charge.

Frontier: Customers scheduled to travel between March 13 and March 15 can reschedule without paying a fee through April 7.