ABX Air, Inc. , formerly Airborne Express, is a cargo airline headquartered at Wilmington Air Park near the City of Wilmington, Ohio, USA.ABX Air operates scheduled, ad hoc charter and ACMI (Aircraft, Crew, Maintenance and Insurance) freight services. It also provides flight support services and training.BX Air, Inc. , formerly Airborne Express, is a cargo airline headquartered at Wilmington Air Park near the City of Wilmington, Ohio, USA.