AAdvantage is a loyalty program offered by American Airlines, one of the world's largest airline when measured by fleet size, scheduled passengers carried, and revenue passenger mile. The company operates an extensive international and domestic network with almost 6,800 flights per day to nearly 350  destinations in more than 50 countries. As a member of the AAdvantage program, the passengers earn miles when flying on American, oneworld® and other participating airlines, which can be used for flights to nearly 1,100 destinations worldwide, upgrades, vacations, car rentals and hotels. In order to communicate concerns and queries pertaining to AAdvantage, customers are advised to adhere to given customer service contact details: AAdvantage Customer Service Number: 800-433-7300 AAdvantage Customer Service Email:  infoamericanairlines@aa.com |  info@aa.com |  technicalcontact@aa.com American Airlines Customer Service Phone Number for Spanish Speaking: 1-800-633-3711 . Hearing & S