American Airlines faces persistent flight delays at its Dallas-Fort Worth hub after DFW managers blocked 1,128 days of flight-attendant work in June 2026, grounding crew pending investigations into anonymous complaints, first-time lateness, and stolen devices. The Association of Professional Flight Attendants attributes the rigid disciplinary process to insufficient crew availability, directly impairing punctuality across the carrier’s largest crew base. Nearly 4,000 total flight-attendant work days were lost in June, creating a systemic operational constraint distinct from storm-related disruptions also affecting DFW in July 2026. Over 500 combined delays and cancellations occurred at DFW on 7 July 2026, with American bearing the brunt. No official statement from American Airlines or DFW management confirms the blocked-day figure or acknowledges the staffing constraint as a delay cause.