On June 30, 2026, violent summer thunderstorms led to the grounding of more than 900 flights at London Heathrow and Gatwick airports. The severe weather conditions significantly disrupted flight operations at both major airports.
These disruptions resulted in widespread cancellations and delays, causing extensive travel disturbances for thousands of passengers attempting to depart or arrive through London’s primary airports. The intense storms contributed to notable travel chaos throughout the day.
