Hooper Bay (HPB) to St Mary's (KSM)
Flight time
≈ 1h 00m
Bearing
67° NE
Hooper Bay (HPB) to St Mary's (KSM) is 100 miles (161 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies HPB–KSM
US DOT T-100 · filed dataIn April 2026, Fox Aircraft was the only carrier flying nonstop HPB–KSM; the Piper PA-31 was the most common aircraft at 100% of departures; flights ran 50% full.
Departures
4
April 2026
Seats
36
both directions
Passengers
18
both directions
Load factor
50.0%
passengers ÷ seats
Who flies HPB–KSM?
Fox Aircraft was the only carrier to fly nonstop HPB–KSM in April 2026 (4 departures).
- 6F
Fox Aircraft
4 departures · 36 seats
Share of departures100.0%50.0%
Load
What plane flies HPB–KSM?
In April 2026, the Piper PA-31 flew 100% of HPB–KSM departures.
- Piper PA-31
4 departures · 50.0% load
100.0%
How has HPB–KSM traffic changed?
Nonstop HPB–KSM departures rose from 3 in May 2025 to 4 in April 2026.
Monthly nonstop HPB–KSM traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
3 departures · 2 passengers
11.1%
Load
June 2025
2 departures · 0 passengers
0.0%
Load
July 2025
0 departures · 0 passengers
—
Load
August 2025
2 departures · 1 passengers
8.3%
Load
September 2025
5 departures · 18 passengers
40.0%
Load
October 2025
1 departures · 1 passengers
11.1%
Load
November 2025
1 departures · 0 passengers
0.0%
Load
December 2025
2 departures · 1 passengers
6.7%
Load
January 2026
5 departures · 2 passengers
6.1%
Load
February 2026
0 departures · 0 passengers
—
Load
March 2026
13 departures · 39 passengers
35.1%
Load
April 2026
4 departures · 18 passengers
50.0%
Load
By direction
The DOT files each direction separately — they rarely match.
HPB → KSM
50.0% full
2 departures · 9 passengers
KSM → HPB
50.0% full
2 departures · 9 passengers
Nonstop HPB–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 Hooper Bay (HPB) from St Mary's (KSM)?
HPB to KSM is 100 miles (161 km / 87 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from HPB to KSM?
A nonstop covers the 100-mile great-circle distance in roughly 1h 00m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies HPB–KSM?
In April 2026, the Piper PA-31 flew the largest share of departures (100.0%).
What mileage do I earn flying HPB–KSM?
Distance-based programs credit off the 100-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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