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

Williamson County Regional Airport

37.75500°N
-89.01110°W
ARR / DAY
11
▼ 7.1%
DEP / DAY
7
▲ 22.0%

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

Current weather

Latest METAR observation

6h ago
Temp
63°F
Wind
6 kts
140°
Visib
10+ km
Ceil
—
METAR KMWA 131145Z 14006KT 10SM CLR 17/12 A2997

Runway intelligence

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

20
37% of ops
131 land · 22 TO
02
28% of ops
98 land · 52 TO
29
18% of ops
64 land · 14 TO
11
17% of ops
60 land · 33 TO
Runway 20 carries 37% of operations (131 landings, 22 takeoffs) over the last 30 days. The next most-used is 02 at 28%.

Approach quality

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

20 131 landings
UA 3%
02 98 landings
UA 3%
29 64 landings
UA 0%
11 60 landings
UA 22%
Approaches to 20 show a 3% unstable-approach rate (4 UA events from 131 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
16.8
flights/day · 503 total
Busy hour (local)
3pm
also 5pm · 7pm
Day vs night
65%
06:00–20:00 local
Traffic concentrates around 3pm–7pm local, averaging 16.8 flights/day. Weekend volume runs 0.8× weekday (14.6 vs 18.4 daily).

Aircraft character

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

Activity is led by (47% of 391 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 18:03 UTC