Severe thunderstorms on June 29, 2026, led to significant flight delays and cancellations at London Heathrow and Gatwick airports. The adverse weather conditions disrupted operations across both major UK airports, impacting scheduled flights throughout the day.
These disruptions affected hundreds of flights, with the combination of weather and ongoing technical difficulties intensifying operational challenges. The delays and cancellations caused considerable inconvenience to passengers traveling through Heathrow and Gatwick, two of the busiest airports in the region.








