American Airlines is dropping six of its NFL team charter flights, but it won’t boot the Dallas Cowboys, Carolina Panthers or Philadelphia Eagles.

Fort Worth, Texas-based American (NASDAQ: AAL) said in a memo to employees that it will end its agreements to fly the Baltimore Ravens, Arizona Cardinals, Miami Dolphins, Indianapolis Colts, Jacksonville Jaguars as well as the Pittsburgh Steelers.

The changes are necessary to ensure the airline has enough aircraft available for regular passenger operations,…