Kansas City International Airport (IATA: MCI, ICAO: KMCI, FAA LID: MCI) (originally Mid-Continent International Airport) is a public airport in Kansas City, Missouri located 15 miles (24 km) northwest of Downtown Kansas City in Platte County, Missouri. The airport opened in 1972 and replaced Kansas City Municipal Airport (MKC) with all scheduled passenger airline flights being moved from MKC to MCI. It serves the Kansas City Metropolitan Area and is the primary passenger airport for much of western Missouri and eastern Kansas.