📍 Sullivan⬆ 875 ft1 runways

31WI ·

Sullivan Airport

43.00743°N

-88.60224°W

ARR / DAY

▲ 333.3%

DEP / DAY

▲ 100.0%

Sullivan Airport (31WI) is a small general aviation airport located in Sullivan, WI, 35 mi west of Milwaukee. It features 1 runway measuring 4,558 feet. SkyMeter has observed roughly 2 arrivals and 2 departures per day on average over the last 7 days.

Safety incidents

Last 7 days · 0 total

NORMAL

Current weather

From KMKE, 36 mi away (31WI does not publish METAR)

47m ago

Temp

77°F

Wind

9 kts

210°

Visib

10+ km

Ceil

—

KMKE 281552Z 21009KT 10SM FEW036 25/16 A3015 RMK AO2 SLP205 T02500161

Runways

1 installed

4,558 FT MAX

06/24

4,558 ft × 50

ASPH● LIT

Runway intelligence

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

54% of ops

25 land · 2 TO

46% of ops

21 land · 12 TO

Runway 06 carries 54% of operations (25 landings, 2 takeoffs) over the last 30 days. The next most-used is 24 at 46%.

Approach quality

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

06 25 landings

UA 32%

24 21 landings

UA 5%

Approaches to 06 show a 32% unstable-approach rate (8 UA events from 25 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

2.4

flights/day · 73 total

Busy hour (local)

6pm

also 7pm · 12am

Day vs night

60%

06:00–20:00 local

Traffic concentrates around 12am–6pm local, averaging 2.4 flights/day. Weekend volume runs 0.8× weekday (2.1 vs 2.7 daily).

Aircraft character

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

Activity is led by (13% of 68 flights). Top three types: , , .

Communications Frequencies

2026-06-11

Type	Freq (MHz)	Hours
CTAF	122.900	—

Airport operations

ARTCC:: ZMP
Elevation:: 1,002 ft

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