The error message says that the certificate code has already been deposited. What should I do?

If the miles do not appear in your account within 72 hours, please contact AAdvantage Customer Service at 800-882-8880 between the weekday hours of 7:30 a.m. – 9:00 p.m. Central Time, 7:30 – 7:00 on Saturday, or 10:30 – 7:30 on Sunday.