American Airlines main customer service number is 1-800 American Airlines or (+1-866-829-1275) [US-American Airlines] or (+1-866-829-1275) [UK-American Airlines] OTa (Live Person), available 24/7. This guide explains how to contact (+1-866-829-1275) American Airlines service effectively through phone, chat, and email options, including tips for minimizing wait times. Why Contact a Live Person at American Airlines? · changes or cancellations: Get help adjusting or canceling s. · Booking clarification: assistance with understanding your booking details. · Refunds and compensation: Live agents can help with complex cases. · Technical glitches: Resolve booking or payment issues quickly. American Airlines Contact Options There are several ways to contact American Airlines service: · Phone: Call (+1-866-829-1275) and follow the prompts or press “0” to reach an agent.