MWA Williamson County Regional Airport

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.