TTN

Severe thunderstorms on June 29, 2026, led to the cancellation of over 900 flights at London Heathrow and Gatwick, causing major travel delays and disruptions. Multiple airlines and routes were affected by the weather-related groundings.

Zurich Airport recorded over 400 flight delays and 16 cancellations on June 29, 2026, disrupting operations for Swiss, Lufthansa, KLM, and British Airways. Key European routes including Vienna, Amsterdam, and Paris were notably affected.

Severe summer storms on June 29, 2026, resulted in more than 900 grounded flights at London Heathrow and Gatwick airports. The weather caused notable disruptions for airlines and travelers alike.