Endeavor Air is an
American regional airline that operates as
Delta Connection for
Delta Air Lines. The airline was founded as
Express Airlines I in 1985 and changed names to
Pinnacle Airlines in 2002. In 2012, Pinnacle's parent company filed for
chapter 11 reorganization, then emerged as a wholly owned subsidiary of
Delta Air Lines. The name of the airline was changed to Endeavor Air on August 1, 2013.