AAdvantage is a frequent-flyer program provided by American Airlines. Introduced in 1981, it was the second such loyalty program. At present, there are over 67 million members of AAdvantage, making it the largest loyalty program in the world. The miles that a member collects in the program allows them to redeem them for tickets, availing free or discounted car rentals, merchandise, hotel stays, and many other products and services. It also allows the member to upgrade their service class depending on the miles they have accumulated. There are different types…
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