Winter storm live updates: Blizzard warnings blanket Northeast as heavy snow and high winds cause travel chaos

Flight cancellations and delays are piling up this morning due to severe weather conditions.

Air travel tracker FlightAware says total cancelations within, into or out of the United States today stand at 5,336, with delays at 579.

New York City’s John F. Kennedy International Airport is responsible for most of the travel disruptions, with 544 flights cancelled, according to FlightAware, followed by LaGuardia Airport with 514 cancellations.

Delays and cancellations at LaGuardia airport in New York yesterday. Charly Triballeau / AFP via Getty Images

Boston Logan, Newark Liberty International and Philadelphia International airports are all also experiencing hundreds of cancelations.

JFK also warned of a planned full system suspension of AirTrain service connecting its terminals last night. It said free shuttle buses will replace the service at all stations.