St Mary's (KSM) to Kasigluk (KUK)
Flight time
≈ 0h 58m
Bearing
162° S
St Mary's (KSM) to Kasigluk (KUK) is 86 miles (138 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies KSM–KUK
US DOT T-100 · filed dataIn April 2026, / Airlift Alaska d/b/a/ Yute Commuter Service was the only carrier flying nonstop KSM–KUK; the Cessna C206 was the most common aircraft at 100% of departures; flights ran 0% full.
Departures
1
April 2026
Seats
6
both directions
Passengers
0
both directions
Load factor
0.0%
passengers ÷ seats
Who flies KSM–KUK?
/ Airlift Alaska d/b/a/ Yute Commuter Service was the only carrier to fly nonstop KSM–KUK in April 2026 (1 departures).
- K2
/ Airlift Alaska d/b/a/ Yute Commuter Service
1 departures · 6 seats
Share of departures100.0%0.0%
Load
What plane flies KSM–KUK?
In April 2026, the Cessna C206 flew 100% of KSM–KUK departures.
- Cessna C206
1 departures · 0.0% load
100.0%
How has KSM–KUK traffic changed?
Nonstop KSM–KUK departures fell from 2 in May 2025 to 1 in April 2026.
Monthly nonstop KSM–KUK traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
2 departures · 1 passengers
8.3%
Load
June 2025
1 departures · 0 passengers
0.0%
Load
July 2025
1 departures · 0 passengers
0.0%
Load
August 2025
2 departures · 2 passengers
15.4%
Load
September 2025
6 departures · 0 passengers
0.0%
Load
October 2025
2 departures · 0 passengers
0.0%
Load
November 2025
1 departures · 2 passengers
33.3%
Load
December 2025
0 departures · 0 passengers
—
Load
January 2026
1 departures · 6 passengers
66.7%
Load
February 2026
3 departures · 2 passengers
11.1%
Load
March 2026
3 departures · 0 passengers
0.0%
Load
April 2026
1 departures · 0 passengers
0.0%
Load
Nonstop KSM–KUK traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Frequently asked
How far is St Mary's (KSM) from Kasigluk (KUK)?
KSM to KUK is 86 miles (138 km / 75 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from KSM to KUK?
A nonstop covers the 86-mile great-circle distance in roughly 0h 58m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies KSM–KUK?
In April 2026, the Cessna C206 flew the largest share of departures (100.0%).
What mileage do I earn flying KSM–KUK?
Distance-based programs credit off the 86-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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