On August 7, 2026, nearly 2,000 flights were cancelled across the United States as severe thunderstorms and Federal Aviation Administration (FAA) ground stops disrupted operations at multiple major airports. The FAA imposed ground stops at nine key airports on August 6 and issued seven additional ground stops affecting several airports on August 7.
Northeast Airports Lead in Cancellations and Delays
FlightAware data reported 1,990 cancelled flights nationwide on August 7. Major Northeast hubs were heavily affected, with John F. Kennedy International Airport (JFK), LaGuardia Airport, Ronald Reagan Washington National Airport, Newark Liberty International Airport, Boston Logan International Airport, and Philadelphia International Airport each experiencing at least 200
cancellations. JFK recorded the highest number of cancelled departures, while Reagan National had the highest number of cancelled arrivals at 44.
Minneapolis-Saint Paul International Airport saw 28 cancellations and 413 delays due to an FAA equipment outage. Delta Air Lines faced the most significant delays at this airport, with 180 flights delayed.
Severe Weather and FAA Equipment Problems Drive Disruptions
Severe thunderstorms were a primary cause of the widespread flight cancellations and delays on August 7. To manage air traffic safely during periods of severe weather and operational issues, the FAA implemented ground stops across major airports including Reagan National, Newark Liberty, Washington Dulles International Airport, JFK, LaGuardia,
Philadelphia International, and Teterboro Airport. The FAA equipment failure at Minneapolis-Saint Paul International compounded disruptions, resulting in a backlog of flights.
Passenger Delays and Airline Rebooking Policies
Passengers faced significant wait times on August 7, with average delays reaching approximately three hours at JFK and five hours at Newark Liberty. At one point, 53 aircraft were queued waiting to depart from JFK. Delta Air Lines and United Airlines responded by offering flexible rebooking policies. Eligible travelers at Northeast hubs were allowed to reschedule flights without change fees or additional fare payment. Eligible travel dates spanned August 6 to August 8, with rebooking permitted through August 11.
The disruptions predominantly affected routes involving major hubs in New York and Philadelphia. Airlines and FAA ground stops attempted to manage flight flows during the severe weather, but the combination of thunderstorm activity and an FAA equipment outage caused cascading delays and cancellations nationwide.










