On June 30, 2026, Boston Logan International Airport faced numerous flight delays and cancellations. Affected carriers included JetBlue, Southwest, and American Airlines, impacting both US and European routes.
On June 30, 2026, Chicago O’Hare reported more than 300 flight delays and multiple cancellations. Airlines such as SkyWest, Republic, and United were among those affected on domestic and international routes.
Violent thunderstorms on June 30, 2026, resulted in over 900 flight cancellations and delays at London Heathrow and Gatwick. Thousands of passengers were affected by the significant disruptions.