They say the airport is open though, so any flights that airlines don't cancel will have the resources to get in and out.
Southwest Airlines, which carries more domestic passengers than any other airline, doesn't expect to operate any flights Tuesday at 14 airports stretching from Washington to Portland, Maine.
The New York area was under a blizzard warning with snowfall of as much as 24 inches and wind gusts of up to 55 miles per hour expected on today. Flights to or from Chicago, Washington, D.C., Boston, New York City, Detroit, Fort Lauderdale, Newark, Toronto and Philadelphia were among those canceled.
Delta Air Lines and its regional carriers canceled about 130 flights Monday, said Michael Thomas, a spokesman.
Dow member Intel dropped 2.1 per cent after announcing an agreement to buy Israeli vehicle technology firm Mobileye a deal worth more than US$15 billion.
The expected whiteout competed for attention with the Federal Reserve, which is likely to raise the benchmark interest rate at the conclusion of the two-day policy meeting Wednesday following a run of mostly strong economic data.
EPAM Systems Inc. canceled an annual investor day Tuesday in NY because of the approaching storm, and Innophos Holdings Inc. delayed a similar meeting that had been set for March 15.