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

Williamson County Regional Airport

37.75500°N
-89.01110°W
ARR / DAY
7
▼ 48.4%
DEP / DAY
4
▼ 40.5%

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 7 arrivals and 4 departures per day on average over the last 7 days.

Current weather

Latest METAR observation

1h ago
Temp
75°F
Wind
5 kts
100°
Visib
10+ km
Ceil
—
METAR KMWA 261847Z 10005KT 10SM SCT150 24/06 A3013

Runway intelligence

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

20
42% of ops
131 land · 13 TO
02
27% of ops
84 land · 42 TO
29
16% of ops
50 land · 16 TO
11
16% of ops
49 land · 20 TO
Runway 20 carries 42% of operations (131 landings, 13 takeoffs) over the last 30 days. The next most-used is 02 at 27%.

Approach quality

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

20 131 landings
UA 2%
02 84 landings
UA 2%
29 50 landings
UA 2%
11 49 landings
UA 22%
Approaches to 20 show a 2% unstable-approach rate (2 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
14.3
flights/day · 429 total
Busy hour (local)
5pm
also 7pm · 8pm
Day vs night
65%
06:00–20:00 local
Traffic concentrates around 5pm–8pm local, averaging 14.3 flights/day. Weekend volume runs 0.8× weekday (12.8 vs 15.6 daily).

Aircraft character

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

Activity is led by (44% of 327 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 19:48 UTC