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

Williamson County Regional Airport

37.75500°N
-89.01110°W
ARR / DAY
10
24.6%
DEP / DAY
5
6.7%

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 10 arrivals and 5 departures per day on average over the last 7 days.

Current weather

Latest METAR observation

5h ago
Temp
99°F
Wind
14 kts
200°
Visib
10+ km
Ceil
METAR KMWA 022045Z 20014KT 10SM SCT060 37/21 A3000

Runway intelligence

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

20
52% of ops
236 land · 21 TO
11
17% of ops
78 land · 45 TO
29
16% of ops
72 land · 14 TO
02
16% of ops
72 land · 75 TO
Runway 20 carries 52% of operations (236 landings, 21 takeoffs) over the last 30 days. The next most-used is 11 at 17%.

Approach quality

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

20 236 landings
UA 3%
11 78 landings
UA 24%
29 72 landings
UA 0%
02 72 landings
UA 3%
Approaches to 20 show a 3% unstable-approach rate (6 UA events from 236 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
13.0
flights/day · 391 total
Busy hour (local)
5pm
also 1pm · 2pm
Day vs night
65%
06:00–20:00 local
Traffic concentrates around 2pm–5pm local, averaging 13.0 flights/day. Weekend volume runs 0.6× weekday (9.6 vs 15.0 daily).

Aircraft character

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

Activity is led by (44% of 308 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 02:07 UTC