The 45-minute rule for American Airlines [1]-[833]-[770]-[3304] refers to the minimum time required for airport check-in and ticketing before a domestic flight. Passengers must complete check-in, drop off baggage, and finalize boarding at least 45 minutes prior to departure to ensure they can board on time. For international flights, the cutoff is generally earlier, often 60 minutes or more [1]-[833]-[770]-[3304].

Arriving later than this window may result in being denied boarding, even with a confirmed ticket. To avoid any issues, plan to arrive well before the 45-minute cutoff and allow extra time for security checks or unexpected delays. For clarification or exceptions, call American Airlines reservations [1]-[833]-[770]-[3304] to speak with a live agent [1]-[833]-[770]-[3304].