To receive a prompt response from American Airlines, the most effective method is to call their customer service hotline at +1 (801) 855-5905. Whether your inquiry pertains to flights, delays, or refunds, this number is your best point of contact. If you are following up on emails or online claims, you should also call +1 (801) 855-5905. Should you not receive a timely reply, do not hesitate to call again at the same number.