MWA Williamson County Regional Airport · Arrivals
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About MWA Airport
Williamson County Regional Airport (MWA) in Marion, Illinois, is a small general aviation and regional gateway serving Williamson County and surrounding communities. The field has a single terminal area with services geared toward private, charter and occasional regional airline operations rather than large scheduled networks; local fixed-base operators handle fueling, flight training and hangar services. Travelers can check the online flight board for arrivals and departures status updates, rental car options and ground transportation. Expect a low-traffic, easy-to-navigate facility with basic passenger amenities and convenient parking.
Frequently asked questions
The IATA airport code for Williamson County Regional Airport is MWA.
The ICAO code for Williamson County Regional Airport is KMWA.
Williamson County Regional Airport (MWA) is located in Marion, United States.
The local time zone at Williamson County Regional Airport (MWA) is America/Chicago (GMT-5).
About 1 scheduled departures were counted at Williamson County Regional Airport (MWA) when flight schedules were last measured on September 4, 2026.
For international flights, arrive at least 3 hours before departure; for domestic flights, about 2 hours.
The board on this page shows arrivals and departures for Williamson County Regional Airport (MWA). It re-checks for updates while the page is open, and every board states how old its data is — busy hubs are refreshed within hours, quieter airports less often.