Thousands of flights scheduled for Monday and Tuesday have been canceled ahead of a potentially historic blizzard bearing down on the Northeast U.S.

That number is extremely likely to rise as long as the storm sticks around, a spokesman for FlightAware.com told BuzzFeed News.

The storm, which could to bring as many as 3 feet of snow in New York City and up to 75 mph winds, has the potential to cripple air travel in and out of several states.
NOW: Current scene at New York's LGA and JFK's airport. 2,000 flights cancelled, 600 of them from NYC. #NYCblizzard
Logan Airport in Boston announced it was canceling all flights in and out after 7 p.m. on Monday night.
Passengers at Logan airport racing to get out of boston before the blizzard #7news
US Airways and American Airlines are planning to suspend flights as of Monday afternoon at airports in Philadelphia, Newark, LaGuardia, JFK, and Boston, a spokesperson said.
Cancellations for the combined operations are 626 for today and 970 for tomorrow.