Chicago O’Hare International Airport experienced significant operational disruptions on June 30, 2026, with reports of 306 flight delays alongside 4 flight cancellations. These disruptions affected the airport’s schedule throughout the day.
Among the airlines impacted were SkyWest Airlines, Republic Airlines, and United Airlines. The affected flights involved routes across the United States as well as international destinations including Mexico, Germany, and Japan. Passengers traveling on both domestic and international flights faced delays and cancellations as a result.








