Miles City Airport - Frank Wiley Field

Miles City Airport - Frank Wiley Field (KMLS) is a medium airport in Miles City, MT. Pilots and dispatchers reference it by ICAO code KMLS or IATA code MLS. It sits in North America.

Miles City Airport - Frank Wiley Field is a regional airport primarily serving general aviation, charter, and corporate flight departments. The 5,764-foot runway means it is well-suited as a dedicated bizjet field, free from airline scheduling pressure.

The longest runway measures 5,764 ft (1,757 m), a midsize and super-midsize-class field. Representative aircraft that operate comfortably here include the Citation Longitude, Challenger 350, and Gulfstream G280. In practice this comfortable for most midsize and super-mid charter equipment.

Miles City Airport - Frank Wiley Field lies at 2,630 ft elevation.

Local operations run on America/Denver. Without scheduled airline traffic, the field tends to be quieter and more flexible for charter and corporate operations — a useful characteristic for early morning, late night, or short-notice flights that would be impractical at a hub.

SkyAccess inventory for KMLS updates continuously as operators publish new empty legs and one-way repositioning trips. Pricing on each leg is available with a free account, and an inventory alert will email you the moment a leg appears on the route you care about.

Regional fields like KMLS are a meaningful share of US private aviation — closer to the trip's actual origin or destination than the nearest major hub, with shorter ramp-to-cabin times that are the main reason owners and brokers prefer them.

Miles City Airport or Frank Wiley Field is a city-owned airport two miles northwest of Miles City, in Custer County, Montana, United States. The airport was served by one airline, subsidized by the Essential Air Service program. EAS subsidies ended on July 15, 2013, due to subsidy per passenger exceeding $1000, leaving Miles City without scheduled air service.