The Federal Aviation Administration imposed a ground stop at Newark Liberty International Airport before 9:40 a.m. local time on August 27, 2026, due to severe thunderstorms. The ground stop is expected to remain in effect through at least 10:00 a.m., with average flight delays across Newark exceeding one hour after the stop is lifted because of cascading impacts.
Flight Delays and Cancellations at New York City Airports
LaGuardia Airport is also experiencing significant disruptions from the storm system, with a ground delay causing flights into the airport to face average delays of more than 90 minutes as of 9:40 a.m. local time. Despite no ground stop at John F.
Kennedy International Airport, JFK is also facing operational issues with 19 cancellations and 48 delays reported.
FlightAware data at 9:45 a.m. EDT recorded 1,522 total flight delays and 172 cancellations nationwide, including impacts on flights arriving, departing, or within the United States.
Cancellations, Delays, and Traveler Impact
LaGuardia Airport reported 42 cancellations, representing 7% of its total flights, and 101 delays, equal to 18% of scheduled departures and arrivals on August 27. JFK recorded fewer but notable disruptions with 19 cancellations and 48 delays. Newark’s ground stop and the ongoing storm system are contributing to severe delays and cancellations throughout the New York City airport
network.
Several major carriers operating out of New York have issued flexible travel waivers for passengers scheduled on August 27, 2026, allowing changes and rebookings without additional fees or fare differences.
The storm system affecting the New York City area is also disrupting broader U.S. national airspace, contributing to widespread flight delays and cancellations.









