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 procedures at least 45 minutes prior to departure to ensure they can board on time. For international flights, the cutoff is usually 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 delays, arrive well before the 45-minute cutoff and allow extra time for security checks and unexpected issues. For clarification on your specific flight or exceptions, call American Airlines reservations [1]-[833]-[770]-[3304] to speak with a live agent [1]-[833]-[770]-[3304].