ExpressJet was born in 1986, after Continental Airlines aquired a group of small commuter airlines that included Bar Harbor Airlines, Britt Airways, and Rocky Mountain Air.
Commercial operations started in 1987.
In 1996, ExpressJet Airlines, Inc. was incorporated.
In 2002, ExpressJet spun off from Continental, having over 8,000 employees.
In December, 2006, ExpressJet began its charter operations.
A few months later, point-to-point services to 24 cities in the U.S. began.
In 2007, ExpressJet began operations as Delta Connection out of Los Angeles.
In July, 2008, the airline announced that virtually all of its services will be discontinued in September, 2008.
Shortly after that, ExpressJet began to fly as a United Airlines carrier.
In September, 2009, that contract ended, but was followed by a multiple year contract with United Airlines for flying 22 aircraft in full United Express colors.
First flights took place in December, 2009, full implementation being expected to be complet by 2010's Spring.
In 2012, ExpressJet announced a new contract with American Airlines to fly as American Eagle beginning in 2013.
In February, 2013, ExpressJet operated its first flight as American Eagle.
No deadly incidents involving ExpressJet Airlines aircraft have been recorded so far.