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
4.3%
DEP / DAY
6
57.7%

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

Current weather

Latest METAR observation

7m 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
40% of ops
133 land · 12 TO
02
28% of ops
95 land · 40 TO
29
17% of ops
56 land · 27 TO
11
15% of ops
51 land · 27 TO
Runway 20 carries 40% of operations (133 landings, 12 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

20 133 landings
UA 0%
02 95 landings
UA 0%
29 56 landings
UA 0%
11 51 landings
UA 14%
Approaches to 20 show a 0% unstable-approach rate (0 UA events from 133 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
13.8
flights/day · 414 total
Busy hour (local)
1pm
also 4pm · 3pm
Day vs night
70%
06:00–20:00 local
Traffic concentrates around 1pm–3pm local, averaging 13.8 flights/day. Weekend volume runs 0.6× weekday (9.5 vs 16.1 daily).

Aircraft character

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

Activity is led by (37% of 333 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 21:52 UTC