Chicago O’Hare International Airport reported more than 340 flight delays along with 9 cancellations on June 21, 2026. These disruptions have affected a range of carriers operating at the airport, resulting in passenger delays across various routes.
Among the airlines impacted were United Airlines, Republic Airlines, American Airlines, and Jazz Aviation, with affected flights covering international and domestic destinations. The delays and cancellations extended to routes involving the United States, Canada, Germany, France, and Japan, contributing to widespread operational challenges throughout the day.








