Violent thunderstorms on June 29, 2026, caused over 900 flights to be grounded at London Heathrow and Gatwick. Passengers faced significant delays and cancellations amid the storm disruptions.
On June 29, 2026, four major U.S. airports faced travel disruptions with 55 flight cancellations and 638 delays. Airlines like JetBlue and Delta were notably impacted.
Zurich Airport experienced major disruptions on June 29, 2026, with over 400 flight delays and 16 cancellations. Key airlines including Swiss Airlines, Lufthansa, KLM, and British Airways were affected on flights to several European cities.