Comair was a wholly owned subsidiary airline of
Delta Air Lines, headquartered on the grounds of
Cincinnati-Northern Kentucky International Airport in
Boone County,
Kentucky,
United States, west of
Erlanger, and south of
Cincinnati. Operating under the brand name
Delta Connection, Comair operated passenger services to destinations in the USA,
Canada,
Mexico and the
Bahamas. Comair and Delta Air Lines announced on July 27, 2012 that Comair would cease operations on September 29, 2012.