Contact American - American Airlines
www.americanairlines.de › contact › formsIf your voucher expired between March 1, 2020 and December 31, 2020 it may be extended for 1 year by contacting Customer Relations. Check your voucher balance and expiration , Opens in a new window. If you have a question about an upcoming trip, please call Reservations at 800-433-7300 or chat with us on the American app.