On June 29, 2026, thunderstorms across London significantly disrupted flight operations at Heathrow and Gatwick airports. The adverse weather led to widespread cancellations, affecting an estimated 40,000 travelers who found themselves stranded.
Both airports faced hundreds of flight delays and cancellations as the storm hampered normal schedules. Efforts to restore regular services continued throughout the day, but the impact of the severe weather persisted, causing substantial disruption for passengers.
