On June 29, 2026, four major U.S. airports—JFK, Miami, Boston Logan, and San Francisco—experienced significant flight disruptions, with over 55 flights canceled and more than 600 delayed. These interruptions affected both domestic and international operations across the hubs.
Airlines including JetBlue, Delta Air Lines, and American Airlines were among those facing schedule irregularities. The affected international routes included destinations such as the United Kingdom, France, China, Switzerland, Qatar, Australia, and Argentina, resulting in widespread delays and cancellations that impacted passenger travel plans today.








