Severe thunderstorms on June 30, 2026, have caused extensive flight groundings at London Heathrow and Gatwick airports. Over 900 flights were affected, resulting in significant travel delays and cancellations.
Chicago O'Hare experienced significant disruptions on June 30, 2026, with over 300 flight delays and several cancellations affecting multiple airlines. Routes to the U.S., Mexico, Germany, and Japan were among those impacted.
Severe thunderstorms on June 30 caused flight cancellations at London Heathrow and Gatwick, stranding roughly 40,000 passengers. Delays and disruptions remain ongoing at both airports.