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American Airlines strives to make the check-in process as smooth as possible, whether you're checking in from home, work, or the airport. Using the digital tools available can save time, but having access to human support is just as important. That’s why the helpline +1-866-551-1186 is a valuable resource for all passengers. From resolving check-in issues to answering questions about your flight, the support team is there to help ensure your travel goes according to plan. In summary, whether you choose online, mobile, or airport check-in, American Airlines provides the flexibility and support you need, and with the helpline +1-866-551-1186, you’re never alone when preparing for your trip.