Also known as Frank Wiley Field, Miles City Airport is a public-use airport owned by Miles City. The airport lies just 2 miles northwest of the city, in Custer County, the state of Montana. Miles City Airport is recognized by the National Plan of Integrated Airport Systems as a general aviation airport. Covering an area of about 1,640 acres, Miles City Airport features two asphalt surfaced runways in excellent and good condition.
There are 20 aircraft based on the field of Miles City Airport, such as multiple-engine airplanes and single-engine airplanes. The major aircraft operations Miles City Airport provides are local general aviation, air taxi, military, and transient general aviation.