Southern Illinois Airport

Southern Illinois Airport
IATA: MDH ICAO: KMDH FAA LID: MDH
Summary
Airport type	Public
Owner/Operator	Southern Illinois Airport Authority
Serves	Carbondale / Murphysboro, Illinois
Location	Jackson County, Illinois
Opened	September 1950 (1950-09)
Elevation AMSL	411 ft / 125 m
Coordinates	37°46′41″N 089°15′07″W / 37.77806°N 89.25194°W / 37.77806; -89.25194
Website	www.SIAirport.com
Map
MDH Location of airport in Illinois Show map of Illinois MDH MDH (the United States) Show map of the United States
Runways
Direction Length Surface ft m 6/24 4,163 1,269 Asphalt 18L/36R 6,506 1,983 Asphalt 18R/36L 3,498 1,066 Asphalt
Statistics
Aircraft operations (2024) 117,697 Based aircraft (2024) 84
Source: Federal Aviation Administration,[1] Illinois Department of Transportation

Southern Illinois Airport (IATA: MDH, ICAO: KMDH, FAA LID: MDH) is a public airport in Jackson County, Illinois, United States. It is located three nautical miles (6 km) northwest of the central business district of Carbondale and east of Murphysboro.^[1] This airport is included in the FAA's National Plan of Integrated Airport Systems for 2025–2029, which categorized it as a regional general aviation facility.^[2]

The airport opened in 1950 and was originally known as Murdale Airport.

The airport is owned and operated by Southern Illinois Airport Authority, a local governmental entity created under state law. A five-member board sets policy for the airport authority, and daily administration of the airport is carried out by an airport manager and staff. The board members are appointed by the mayors of Carbondale and Murphysboro and the chairman of the Jackson County Board and serve for five years on a staggered basis.