The Federal Aviation Administration (FAA) issued ground stops for all three major airports in New York City and New Jersey due to thunderstorms on Tuesday.
LaGuardia Airport was the first to issue a ground stop at 2:10 p.m., followed by JFK and Newark at 2:15 p.m.
JFK and Newark airports lifted the ground stops on Wednesday morning, while LaGuardia opened at 6 a.m.
Over 1,300 flights were canceled and over 970 were delayed at LaGuardia, JFK, and Newark airports.
New York City officials issued flash flood and travel advisories due to thunderstorms and strong winds.
The National Weather Service issued a flash flood warning and severe thunderstorm warning for the Bronx and Manhattan.
JFK airport warned of possible flight disruptions and advised passengers to check with their airlines for flight status updates.
Before the ground stops, delays reached up to four hours at JFK and around two hours at LaGuardia and Newark.
The ground stops caused significant travel disruptions for thousands of passengers.
The thunderstorms also caused flash flooding and travel advisories throughout the city.