Which airport will be decommissioned in the future, Montrose Regional Airport or Sloulin Field International Airport?
Montrose Regional Airport: Montrose Regional Airport (IATA: MTJ, ICAO: KMTJ, FAA LID: MTJ) is a non-towered public airport on the northwest side of Montrose, in zip code 81401 in southwestern Colorado. Sloulin Field International Airport: Sloulin Field International Airport (IATA: ISN, ICAO: KISN, FAA LID: ISN) is an airport serving Williston, a city in North Dakota. Sloulin Field International Airport:  This airport will replace Sloulin Field Airport, which will be decommissioned.
Sloulin Field International Airport