A de-icing machine sprays US Airways flight 3224 bound for Indianapolis at Reagan National Airport. (Photo by Michel du Cille/The Washington Post)

Airports in New York, New Jersey and Philadelphia appeared to be hit the hardest by Tuesday’s storm.

By mid-afternoon, roughly 55 percent of the flights into New York’s LaGuardia airport had been canceled.

In the D.C. region, Twitter was rich with photos of arrival and departure boards with the comment “cancellation” featured prominently.

At Reagan National, 173 flights — roughly 37 percent of departures had been canceled, according to FlightAware.  About 185 or 42 percent of arrivals had been canceled.

Baltimore-Washington International Thurgood Marshall listed 104 canceled departures, roughly 35 percent. About 116 arrivals had been canceled.

Dulles International had 112 departures canceled — about 29 percent of the flights leaving the airport; Roughly 119 arrivals, or 22 percent, had been canceled.