To quickly contact American Airlines, call their customer service at 1-866-463-2404. For real-time assistance, use the live chat feature on their website or mobile app. Reaching out via Twitter or Facebook can also yield fast responses. If you're at the airport, visit the American Airlines help desk for immediate support. Using these methods ensures you receive timely assistance with your inquiries or issues. Be sure to have your booking details ready to expedite the process.