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
62.7%
DEP / DAY
5
6.1%

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

Current weather

Latest METAR observation

1h 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
203 land · 13 TO
11
18% of ops
69 land · 34 TO
29
15% of ops
61 land · 13 TO
02
15% of ops
61 land · 67 TO
Runway 20 carries 52% of operations (203 landings, 13 takeoffs) over the last 30 days. The next most-used is 11 at 18%.

Approach quality

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

20 203 landings
UA 3%
11 69 landings
UA 28%
29 61 landings
UA 0%
02 61 landings
UA 5%
Approaches to 20 show a 3% unstable-approach rate (6 UA events from 203 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
13.9
flights/day · 416 total
Busy hour (local)
5pm
also 3pm · 1pm
Day vs night
64%
06:00–20:00 local
Traffic concentrates around 1pm–5pm local, averaging 13.9 flights/day. Weekend volume runs 0.5× weekday (9.0 vs 16.4 daily).

Aircraft character

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

Activity is led by (44% of 331 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 21:57 UTC