Quincy Regional Airport Baldwin Field — Quincy, United States

Quincy Regional Airport, also known as Baldwin Field and coded UIN, serves Quincy, Illinois, a city situated along the Mississippi River in the American Midwest. The airport provides regional connectivity through subsidized Essential Air Service flights, linking Quincy to larger hub airports for residents of west-central Illinois and northeastern Missouri. UIN's facilities include a terminal and multiple runways capable of handling regional jet and turboprop aircraft. As a smaller American airport dependent on federal support programs, Quincy Regional exemplifies the challenges faced by mid-sized Midwestern communities in maintaining reliable commercial air service amid limited passenger demand.