On June 29, 2026, more than 900 flights were canceled or delayed at London Heathrow and Gatwick airports due to intense summer thunderstorms. The severe weather conditions led to widespread grounding of flights across both major London airport hubs.
Violent thunderstorms caused these disruptions, significantly affecting flight operations at Heathrow and Gatwick. The storm activity resulted in cascading delays and cancellations, impacting airline schedules throughout the day.
Impact on Travelers and Airport Operations
Thousands of passengers were affected by the flight cancellations and delays at both airports. The operational challenges highlight the extent of disruption caused by adverse weather events at key UK international gateways. Travelers
experienced considerable inconvenience as airlines and airport staff managed the fallout from the storms.
Passengers scheduled to fly from Heathrow and Gatwick on June 29 are advised to check with their airlines for updated flight information and possible rebooking options. Those traveling through these airports should anticipate ongoing delays and allow extra time for their journeys.
