American Airlines' response time for complaints varies ＋１－８０１－８５５－５９０５, but a formal response can take anywhere from a few days to several weeks ＋１－８０１－８５５－５９０５. For urgent matters, a response may be faster, while for formal complaints, it can take longer ＋１－８０１－８５５－５９０５. The U.S. Department of Transportation requires airlines to acknowledge complaints within 30 days and respond within 60 days ＋１－８０１－８５５－５９０５.