Alakanuk (AUK) to St Mary's (KSM)
Flight time
≈ 0h 56m
Bearing
133° SE
Alakanuk (AUK) to St Mary's (KSM) is 63 miles (101 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies AUK–KSM
US DOT T-100 · filed dataIn April 2026, / Airlift Alaska d/b/a/ Yute Commuter Service operated the most departures, one of 2 carriers flying nonstop AUK–KSM; the Piper PA-31 was the most common aircraft at 78% of departures; flights ran 40% full.
Departures
9
April 2026
Seats
78
both directions
Passengers
31
both directions
Load factor
39.7%
passengers ÷ seats
Who flies AUK–KSM?
/ Airlift Alaska d/b/a/ Yute Commuter Service operated the most nonstop AUK–KSM departures in April 2026 (5), one of 2 carriers on the route.
- K2
/ Airlift Alaska d/b/a/ Yute Commuter Service
5 departures · 42 seats
Share of departures55.6%21.4%
Load
- 6F
Fox Aircraft
4 departures · 36 seats
Share of departures44.4%61.1%
Load
What plane flies AUK–KSM?
In April 2026, the Piper PA-31 flew 78% of AUK–KSM departures — more than any other aircraft type.
- Piper PA-31
7 departures · 36.5% load
77.8% - Cessna C206
1 departures · 0.0% load
11.1% - Cessna 208 Caravan
1 departures · 88.9% load
11.1%
How has AUK–KSM traffic changed?
Nonstop AUK–KSM departures rose from 6 in May 2025 to 9 in April 2026.
Monthly nonstop AUK–KSM traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
6 departures · 7 passengers
24.1%
Load
June 2025
6 departures · 8 passengers
20.5%
Load
July 2025
8 departures · 4 passengers
6.8%
Load
August 2025
12 departures · 20 passengers
26.0%
Load
September 2025
7 departures · 1 passengers
2.0%
Load
October 2025
6 departures · 3 passengers
7.5%
Load
November 2025
11 departures · 7 passengers
8.0%
Load
December 2025
6 departures · 8 passengers
17.4%
Load
January 2026
7 departures · 11 passengers
17.5%
Load
February 2026
4 departures · 10 passengers
27.8%
Load
March 2026
16 departures · 24 passengers
19.4%
Load
April 2026
9 departures · 31 passengers
39.7%
Load
By direction
The DOT files each direction separately — they rarely match.
AUK → KSM
38.3% full
7 departures · 23 passengers
KSM → AUK
44.4% full
2 departures · 8 passengers
Nonstop AUK–KSM 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 Alakanuk (AUK) from St Mary's (KSM)?
AUK to KSM is 63 miles (101 km / 54 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from AUK to KSM?
A nonstop covers the 63-mile great-circle distance in roughly 0h 56m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies AUK–KSM?
In April 2026, the Piper PA-31 flew the largest share of departures (77.8%), followed by the Cessna C206 (11.1%).
What mileage do I earn flying AUK–KSM?
Distance-based programs credit off the 63-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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