Williamson County Regional Airport satellite view
📍 Marion⬆ 472 ft2 runways
KMWA · MWA

Williamson County Regional Airport

37.75500°N
-89.01110°W
ARR / DAY
12
20.0%
DEP / DAY
7
50.0%

Williamson County Regional Airport (KMWA/MWA) is a small general aviation airport located in Marion, IL, 81 mi west of Evansville. It features 2 runways with the longest being 8,012 feet. SkyMeter has observed roughly 12 arrivals and 7 departures per day on average over the last 7 days.

Current weather

Latest METAR observation

9h ago
Temp
90°F
Wind
5 kts
340°
Visib
10+ km
Ceil
METAR KMWA 282145Z 34005KT 10SM OVC120 32/23 A2979

Runway intelligence

Which runway carries the operations, observed over the last 30 days

20
39% of ops
224 land · 25 TO
02
29% of ops
165 land · 66 TO
29
17% of ops
98 land · 40 TO
11
15% of ops
83 land · 46 TO
Runway 20 carries 39% of operations (224 landings, 25 takeoffs) over the last 30 days. The next most-used is 02 at 29%.

Approach quality

Per-runway unstable-approach, go-around, and long-rollout rates

20 224 landings
UA 0%
02 165 landings
UA 1%
29 98 landings
UA 0%
11 83 landings
UA 18%
Approaches to 20 show a 0% unstable-approach rate (0 UA events from 224 landings).Phase B will add wind-correlation: which crosswind band produces most UA events.

Traffic behavior

When the field is busy: hourly + weekday vs weekend

Daily avg
15.5
flights/day · 466 total
Busy hour (local)
1pm
also 4pm · 3pm
Day vs night
70%
06:00–20:00 local
Traffic concentrates around 1pm–3pm local, averaging 15.5 flights/day. Weekend volume runs 0.5× weekday (9.2 vs 18.7 daily).

Aircraft character

What's actually flying here: top types over the last 30 days

Activity is led by (38% of 374 flights). Top three types: , , .

Communications Frequencies

2026-06-11
Type Freq (MHz) Hours
CTAF 128.400
TWR 128.400 0700-1900
GND 121.700 0700-1900
UNICOM 122.950
AWOS 119.675
MARION R 127.475
OTHER 127.475
LCL/P 128.400 0700-1900
MARION R 346.275
OTHER 346.275
Airport operations
ARTCC:
ZKC
Mag var:
1° E
Fuel:
100LL

Hourly traffic

Avg movements per hour · local time · last 30 days

12a 1a 2a 3a 4a 5a 6a 7a 8a 9a 10a 11a 12p 1p 2p 3p 4p 5p 6p 7p 8p 9p 10p 11p
© SkyMeter · All flight data subject to ODbL attribution · Updated 07:15 UTC