Kotlik (KOT) to St Mary's (KSM)
Flight time
≈ 0h 56m
Bearing
174° S
Kotlik (KOT) to St Mary's (KSM) is 67 miles (109 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies KOT–KSM
US DOT T-100 · filed dataIn April 2026, Fox Aircraft operated the most departures, one of 2 carriers flying nonstop KOT–KSM; the Piper PA-31 was the most common aircraft at 50% of departures; flights ran 30% full.
Departures
4
April 2026
Seats
33
both directions
Passengers
10
both directions
Load factor
30.3%
passengers ÷ seats
Who flies KOT–KSM?
Fox Aircraft operated the most nonstop KOT–KSM departures in April 2026 (3), one of 2 carriers on the route.
- 6F
Fox Aircraft
3 departures · 24 seats
Share of departures75.0%33.3%
Load
- K2
/ Airlift Alaska d/b/a/ Yute Commuter Service
1 departures · 9 seats
Share of departures25.0%22.2%
Load
What plane flies KOT–KSM?
In April 2026, the Piper PA-31 flew 50% of KOT–KSM departures — more than any other aircraft type.
- Piper PA-31
2 departures · 55.6% load
50.0% - Cessna C206
1 departures · 0.0% load
25.0% - Cessna 208 Caravan
1 departures · 0.0% load
25.0%
How has KOT–KSM traffic changed?
Nonstop KOT–KSM departures held steady at about 4 a month between May 2025 and April 2026.
Monthly nonstop KOT–KSM traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
4 departures · 5 passengers
19.2%
Load
June 2025
8 departures · 17 passengers
29.8%
Load
July 2025
7 departures · 6 passengers
13.3%
Load
August 2025
4 departures · 5 passengers
19.2%
Load
September 2025
11 departures · 15 passengers
18.3%
Load
October 2025
5 departures · 15 passengers
35.7%
Load
November 2025
7 departures · 14 passengers
23.3%
Load
December 2025
5 departures · 22 passengers
53.7%
Load
January 2026
3 departures · 7 passengers
30.4%
Load
February 2026
6 departures · 16 passengers
31.4%
Load
March 2026
15 departures · 40 passengers
36.0%
Load
April 2026
4 departures · 10 passengers
30.3%
Load
By direction
The DOT files each direction separately — they rarely match.
KSM → KOT
33.3% full
3 departures · 8 passengers
KOT → KSM
22.2% full
1 departures · 2 passengers
Nonstop KOT–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 Kotlik (KOT) from St Mary's (KSM)?
KOT to KSM is 67 miles (109 km / 59 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from KOT to KSM?
A nonstop covers the 67-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 KOT–KSM?
In April 2026, the Piper PA-31 flew the largest share of departures (50.0%), followed by the Cessna C206 (25.0%).
What mileage do I earn flying KOT–KSM?
Distance-based programs credit off the 67-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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