Airport code
MWA — Williamson County Regional Airport
MWA is the IATA code for Williamson County Regional Airport, an airport serving Marion, United States. Its ICAO code is KMWA, and it operates in the America/Chicago time zone (UTC-6). The airport sits at 37.7550, -89.0111 in the Northern Hemisphere, at an elevation of 472 ft (144 m).
Overview
About Williamson County Regional Airport
Veterans Airport of Southern Illinois , also known as Williamson County Regional Airport, is five miles west of Marion, in Williamson County, Illinois, United States. The airport is owned by the Williamson County Airport Authority. It sees one airline, subsidized by the federal government's Essential Air Service program at an annual cost of $2,562,819 or $141 per passenger. On November 11, 2016 during the grand opening ceremony for the new terminal, the airport was renamed to "Veterans Airport of Southern Illinois" to honor veterans and better reflect the regional nature of the airport.
Reference data
Airport information
| IATA code | MWA |
|---|---|
| ICAO code | KMWA |
| Airport name | Williamson County Regional Airport |
| City | Marion |
| Country | United States |
| Time zone | America/Chicago (UTC-6) |
| Latitude | 37.7550 |
| Longitude | -89.0111 |
| Elevation | 472 ft (144 m) |
| Airport type | Medium airport |
| Continent | North America |
| Runways | 2 |
| Longest runway | 8,012 ft (2,442 m) |
| Map | View on OpenStreetMap ↗ |
Reference data last updated 24 July 2026.
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Questions
Frequently asked questions
What is the IATA code for Williamson County Regional Airport?
The IATA code for Williamson County Regional Airport is MWA.
What is the ICAO code for Williamson County Regional Airport?
The ICAO code for Williamson County Regional Airport is KMWA.
Where is MWA airport located?
Williamson County Regional Airport (MWA) is located in Marion, United States.
What time zone is MWA in?
Williamson County Regional Airport operates in the America/Chicago time zone, which is UTC-6.
What is the nearest airport to MWA?
The nearest airport to Williamson County Regional Airport (MWA) is Cape Girardeau Regional Airport (CGI) in Cape Girardeau, about 77 km away.
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