Key Points American Airlines is in talks to make Citigroup its exclusive credit card partner, potentially ending its partnership with Barclays. Co-branded credit card partnerships are essential for airlines, generating billions in revenue annually. American’s AAdvantage program earned $5.2 billion last year, trailing behind Delta’s earnings from its American Express partnership. Citigroup, led by CEO Jane Fraser, is expected to secure the deal due to its more profitable customer base. American Airlines is negotiating with Citigroup to become its exclusive credit card partner, potentially ending its long-standing partnership with Barclays. According to insiders, the discussions, which have been ongoing for...