Syracuse airport officials urge travelers to check on their flight's status before heading to the airport.
Most arriving flights are on time; a handful from New York City are canceled or delayed. Amtrak planned to operate a modified schedule between NY and Boston on Thursday.
Passenger train operator Amtrak was running reduced service in the Northeast, while mass-transit systems in major metropolitan areas, including NY and Boston, remained open.
North Texas-based American and Southwest Airlines have cancelled hundreds of flights to the East Coast ahead of the major winter weather.
Many JetBlue passengers were stuck on the tarmac for about three hours Thursday morning. A Singapore Airlines jumbo jet, Flight 26 from Frankfurt, Germany, was forced to land at the smaller Stewart International Airport in New Windsor in Orange County, according to FlightAware.
If you do have to get connecting flights, make sure you have plenty of time from flight A to flight B in case flight A gets delayed.
New York's La Guardia Airport said on Twitter that "almost all" flights there were canceled because of the weather. AirTrain JFK is suspended and part of AirTrain Newark is not running, Port Authority officials said.
Dallas Love Field tweeted earlier today, "Weather conditions are affecting airport operations in the Northeast". As of 6 a.m. Friday about a dozen flights were already canceled throughout bay area airports.
"It's just a nightmare", traveler Spencer Wrench said.
FOX 5 reached out to Aerolineas Argentinas, but did not receive a response as of Thursday night.
New York's emergency declaration covers the entire downstate region, including New York City and Long Island.