High Quality Content by WIKIPEDIA articles! ABX Air, Inc., formerly Airborne Express, is a cargo airline headquartered at Wilmington Air Park (formerly Airborne Airpark) in unincorporated Clinton County, Ohio, United States, near the City of Wilmington. ABX Air operates scheduled, ad hoc charter and ACMI freight services. It also provides flight support services and training. ABX Air is owned by Air Transport Services Group (NASDAQ: ATSG).