More than 900 flights at London Heathrow and Gatwick airports were grounded on June 29, 2026, as violent thunderstorms swept across the region. These severe weather conditions have triggered widespread travel disruptions at two of London’s primary airports throughout the day.
Both Heathrow and Gatwick faced substantial operational challenges, including numerous flight cancellations and delays. Passengers at these busy London hubs experienced extensive interruptions impacting flights within Europe and international departures and arrivals.








