Chicago O’Hare International Airport saw 306 flight delays and four cancellations on June 30, 2026. Airlines involved included SkyWest, Republic, and United, disrupting routes to several countries.
Violent thunderstorms on June 30, 2026, caused extensive flight cancellations and delays at London Heathrow and Gatwick airports. More than 900 flights were affected, leaving thousands of passengers stranded or delayed.