 It serves a few commercial flights and is the second largest airport serving Cincinnati after Cincinnati/Northern Kentucky International Airport.It is known as Lunken Airport or Lunken Field, after Eshelby Lunken.It is bounded by US Route 50 (historic Columbia Parkway and Eastern Avenue) to the west, US Route 52 (Kellogg Avenue) and the Ohio River to the south, the Little Miami River (which originally flowed through the airfield but was diverted) to the east, and Ohio Route 125 (Beechmont Avenue) to the north.