More than 900 flights were impacted at Heathrow and Gatwick airports on June 29, 2026, as an abrupt weather shift caused significant delays and cancellations. The disruptions occurred amid thunderstorms that followed a period of intense heat across the UK.
These sudden storms brought challenging conditions at two of the country’s busiest airports, undermining normal operations and affecting travel plans. The rapid transition from high temperatures to stormy weather led to widespread interruptions in flight schedules during the day.
