Harbor Diversified, Inc., together with its subsidiaries, provides air transportation services in the Unites States. It also leases and finances for flight equipment. As of December 31, 2021, it owned and operated a fleet of 64 regional jets. The company was formerly known as Harbor BioSciences, Inc. and changed its name to Harbor Diversified, Inc. in February 2012. Harbor Diversified, Inc. was incorporated in 1992 and is headquartered in Appleton, Wisconsin.