There is no clear answer to this question as American Airlines does partner with a variety of credit and debit cards, as well as other financial institutions. However, it is generally accepted that American Airlines is a partner with American Express.
American Airlines has long been a partner with American Express, and the two companies have worked together to create a number of exclusive benefits for their customers. These benefits include exclusive discounts on airfare and other travel-related items, as well as access to exclusive American Express travel partners such as Delta Airlines and United Airlines.
Overall, American Airlines appears to be a partner with American Express that provides many benefits to its customers. While the answer to this question is not clear cut, it is generally accepted that American Airlines is a partner with American Express.
