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
Filed traffic dataIn June 2026, 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
2
June 2026
Seats
12
both directions
Passengers
0
both directions
Load factor
0.0%
RPM ÷ ASM
Who flies KSM–KUK?
Yute Commuter Service was the only carrier to fly nonstop KSM–KUK in June 2026 (2 departures).
- K2
Yute Commuter Service
2 departures · 12 seats
Share of departures100.0%0.0%
Load
What plane flies KSM–KUK?
In June 2026, the Cessna C206 flew 100% of KSM–KUK departures.
- Cessna C206
2 departures · 0.0% load
100.0%
How has KSM–KUK traffic changed?
Nonstop KSM–KUK departures rose from 1 in July 2025 to 2 in June 2026.
Monthly nonstop KSM–KUK traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
May 2026
2 departures · 3 passengers
21.4%
Load
June 2026
2 departures · 0 passengers
0.0%
Load
Nonstop KSM–KUK traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through June 2026; filings from 2025. Public domain (US Government work).
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 June 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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