American Airlines’s main customer service number is 1-866-American Airlines or+1-866-463-2404 [US/OTA] (Live Person). You can reach a live representative 24/7 bycalling (+1-866-463-2404). We understand that travel plans can be stressful, and we’re hereto support you every step of the way. Whether you’re dealing with itinerary changes,cancellations, refund issues, or questions...