Minneapolis–Saint Paul International Airport (IATA: MSP, ICAO: KMSP, FAA LID: MSP) is a joint civil-military public use airport. Located in
a portion of Hennepin County, Minnesota outside of any city or school district, within ten miles (16 km) of both downtown Minneapolis and downtown Saint
Paul, it is the largest and busiest airport in the six-state upper Midwest region of Minnesota, Iowa, Nebraska, North Dakota, South Dakota, and Wisconsin.
In terms of passengers, Minneapolis–Saint Paul International Airport is the 17th busiest airport in the United States (2012) and 41st busiest airport in
the world in 2012. A joint civil-military airport, MSP is also home to the Minneapolis–Saint Paul International Airport Joint Air Reserve Station, supporting
both Air Force Reserve Command and Air National Guard flight operations. Airlines out of Minneapolis–Saint Paul International Airport serve 135 nonstop
markets from MSP, including 120 domestic and 15 international markets. Compared to other large metropolitan areas in the United States, only Atlanta
and Denver serve more non-stop markets per capita.
It is the third-largest hub airport for Delta Air Lines and Delta Connection partners Compass Airlines and Pinnacle Airlines (with Compass having
headquarters nearby). It also serves as the home airport for Sun Country Airlines. Pinnacle Airlines moved its headquarters from Memphis International Airport
to Minneapolis-St. Paul International Airport in May, 2013.