Wednesday's storm forced airlines to delay and cancel flights up and down the East Coast.

MacArthur Airport in Ronkonkoma was closed at 3:55 a.m., according to the Federal Aviation Administration website.

The Port Authority of New York and New Jersey reported 675 canceled flights Wednesday morning at LaGuardia Airport. Kennedy Airport had 300 cancellations and Newark Liberty had 440.

Every flight in and out of Boston's Logan Airport was delayed.

Philadelphia's airport reported about 20 dozen canceled outbound flights and 100 canceled arrivals, but spokeswoman Victoria Lupica expected things to be back in full swing by noon.

Plows and salt spreaders hit the streets of New York after more than a foot of snow fell in some areas overnight. New York City schools are open, but classes are canceled in Philadelphia, Boston and most of Connecticut.

New York officials scrambled to get roads ready for the morning commute after being heavily criticized for slow cleanup from a Dec. 26 blizzard.

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