What Happened To American Airlines’ Hub In Nashville?

American Airlines is one of the most popular airlines in the world. It is the largest in terms of passengers carried and in terms of daily flights. Because of this, it is no wonder that American Airlines operates from several different hub airports, including Charlotte Douglas International Airport (CLT) in Charlotte, North Carolina, Chicago O’Hare International Airport (ORD) in Chicago, Illinois, and its headquarters at Dallas-Fort Worth International Airport (DFW) in Dallas-Fort Worth, Texas.