ABX Air, Inc., formerly Airborne Express, is a cargo airline headquartered at Wilmington Air Park near the City of Wilmington, Ohio, US. 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.

Airborne Express was an express delivery company and cargo airline. Headquartered in Seattle, Washington, its hub was in Wilmington, Ohio. Airborne was founded as the Airborne Flower Traffic Association of California in 1946 to fly flowers from Hawaii to the US mainland. Airborne Express was acquired by DHL in 2003. Prior to the acquisition, it rose to be the third largest private express delivery company in the United States, behind Federal Express and United Parcel Service (UPS).