Chicago O’Hare International Airport encountered substantial flight disruption on June 18, 2026, with a reported total of 1,425 delays and cancellations. The disruptions were predominantly linked to operations by SkyWest Airlines and American Airlines.
These interruptions extended beyond domestic routes, impacting flights across the United States, Europe, and Asia. As a result, thousands of travelers experienced missed connections and lengthy wait times amid heightened airport congestion.
