An American Airlines' Embraer E175LR (front), an American Airlines' Boeing 737 (C) and an American Airlines' Boeing 737 are seen parked at LaGuardia Airport in Queens, New York on May 24, 2024.American Airlines is in talks to make Citigroup its exclusive credit card partner, dropping rival issuer Barclays from a partnership that dates back to the airline's 2013 takeover of US Airways, said people with knowledge of the negotiations.American has been working with banks and card networks on a new long-term dea ...