American Airlines reserves the right to change the AAdvantage program and its terms and conditions at any time without notice, and to end the AAdvantage program with six months notice. Any such changes may affect your ability to use the awards or mileage credits that you have accumulated. American Airlines is not responsible for products or services offered by other participating companies. For complete details about the AAdvantage program, visit www.aa.com/aadvantage. AmericanAirlines and AAdvantage are marks of American Airlines, Inc.