In 1923 a landing field was established east of Central Avenue ( west of the current airport) on land leased from the Union Pacific Railroad. The airfield was named Latimer Field after an orange-packing company next to the airstrip. An airport was built there by one of the first flying clubs in southern California, the Friends of Ontario Airport. In 1929, the city of Ontario purchased , now in the southwest corner of the airport, for $12,000, and established the Ontario Municipal Airport.