Severe thunderstorms on June 29, 2026, significantly impacted flight operations at London Heathrow and Gatwick airports. The extreme weather conditions triggered a series of cancellations and delays, challenging airport and airline staff as they work to manage the ongoing disruption.
More than 900 flights were affected across the two major London airports, leaving an estimated 40,000 passengers stranded. Both Heathrow and Gatwick continue to experience operational difficulties as airlines seek to address the backlog caused by the weather-related interruptions.
