Chicago airports faced substantial operational disruptions on June 15, 2026, with a total of 340 flights delayed and 20 flights cancelled. This situation affected both domestic and international travel routes throughout the day.
Several major airlines were impacted by these disruptions, notably American Airlines, SkyWest Airlines, and United Airlines. The affected flights included routes across the United States as well as international destinations including Canada, Mexico, the United Kingdom, France, and Germany.
