The massive water main break at Terminal 4 sparked a travel nightmare and resulted in an evacuation after about 3 inches of water flooded the privately run terminal. It also spilled onto the road outside and froze over.
No global arrival flights were allowed into the terminal Sunday afternoon, but worldwide departures were not affected, the airport tweeted.
The heavy snow and freezing conditions cancelled hundreds of flights and delayed hundreds more, which left many passengers stranded across the country.
In a statement, the Port Authority of NY and New Jersey said a water pipe that feeds a sprinkler system in the privately operated Terminal 4 broke at about 2 p.m., causing water to flood the terminal and significantly disrupt operations.
The problem has been now been fixed. Travelers planning on flying on Monday may face residual delays and officials warned passengers to allow for extra time and to contact their airline. "This is disgusting", said Monica Pierre, a registered nurse from Staten Island, who was waiting on Sunday for her luggage after flying in from Trinidad and Tobago.More news: Trump advisor refuses to leave CNN set
As of Monday morning, flights from the airport are delayed by an average of 31 minutes, according to FlightAware. Many flights still in the air were diverted to other airports, including Boston. "But it seems that they're not very well organized", he said.
The Federal Aviation Administration did step in on Saturday, ordering airlines to confirm there would be open gates when their flights arrived.
It was the latest in a slate of service failures since Thursday's powerful snowstorm crippled flights into and out of JFK, leading to major delays and crowded tarmacs and terminals.
She described the experience as "a nightmare".More news: Barry Bennell, ex-football coach, pleads guilty to six child sex offences
The deep freeze follows a deadly winter storm, dubbed a "bomb cyclone", which was last week blamed for at least 22 deaths in the United States, US media reported. My husband and I flew out after a delay of six hours on a Virgin flight to Heathrow. They had spent days shuttling back and forth to hotels, waiting in a terminal, calling airlines and finally getting on a plane Sunday only to have it spend two hours on the tarmac and then turn back because of an equipment problem, a frustrated Collavo said.
The winter-related chaos at New York's JFK airport has gotten worse.
The flights from the previous day all attempted to land at JFK on Friday, on top of the flights that were already scheduled.
Meanwhile 38 of the scheduled departing flight between 6am and 11.59am are now delayed, and a further nine have been cancelled.More news: United Kingdom grocer Sainsbury's has record Christmas week as online sales grow
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