[Federal] Cause of Airline Delay and Cancellation Categories Under Section 511(b) of the FAA Reauthorization Act of 2024; Delay of Effective Date

Agency: Transportation Department,

The U.S. Department of Transportation (Department or DOT) is delaying the effective date of its September 3, 2026 final rule, titled "Cause of Airline Delay and Cancellation Categories under Section 511(b) of the FAA Reauthorization Act of 2024," until February 1, 2027.