Severe thunderstorms on June 29, 2026, led to significant flight cancellations at London Heathrow Airport, with Gatwick Airport also affected. The intense weather conditions disrupted air traffic, forcing airlines to halt operations temporarily and cancel numerous flights.
The cancellations and delays impacted both departures and arrivals, affecting a range of domestic and international routes. As a result, an estimated tens of thousands of passengers were left stranded at the airports, facing uncertainty and travel disruptions throughout the day.
Widespread Delays Cause Extensive Passenger Disruption
Throughout June 29, the thunderstorms have caused ongoing disruptions, with airlines unable to maintain regular schedules. Delays on both incoming and outbound
flights have compounded disruption at London’s busiest airports, highlighting the challenges posed by extreme weather to aviation operations.
