Severe thunderstorms on June 30, 2026, caused major flight cancellations at London Heathrow and Gatwick, leaving about 40,000 travelers stranded. Over 900 flights were cancelled as a result of the storm.
On June 30, 2026, Chicago O’Hare Airport saw 306 delayed flights and four cancellations, affecting major airlines and routes to multiple countries. SkyWest, Republic, and United Airlines were among those impacted.
American Airlines caused disruptions to 118 flights at Miami International on June 30, 2026, leading to widespread delays and cancellations. Travelers faced extended waits and missed connections.