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St Mary's (KSM) to Scammon Bay (SCM)

75mi
121 km65 nm

Flight time

≈ 0h 57m

Bearing

260° W

St Mary's (KSM) to Scammon Bay (SCM) is 75 miles (121 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: KSM → SCMKSMSCM

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What actually flies KSMSCM

US DOT T-100 · filed data

In April 2026, Fox Aircraft operated the most departures, one of 2 carriers flying nonstop KSM–SCM; the Piper PA-31 was the most common aircraft at 80% of departures; flights ran 40% full.

Departures

5

April 2026

Seats

45

both directions

Passengers

18

both directions

Load factor

40.0%

passengers ÷ seats

Who flies KSM–SCM?

Fox Aircraft operated the most nonstop KSM–SCM departures in April 2026 (4), one of 2 carriers on the route.

  • 6F

    Fox Aircraft

    4 departures · 36 seats

    50.0%

    Load

  • 7S

    Ryan Air

    1 departures · 9 seats

    0.0%

    Load

What plane flies KSM–SCM?

In April 2026, the Piper PA-31 flew 80% of KSM–SCM departures — more than any other aircraft type.

  • Piper PA-31

    4 departures · 50.0% load

    80.0%
  • Cessna 208 Caravan

    1 departures · 0.0% load

    20.0%

How has KSM–SCM traffic changed?

Nonstop KSM–SCM departures rose from 2 in May 2025 to 5 in April 2026.

Monthly nonstop KSMSCM 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 · 0 passengers

    0.0%

    Load

  • June 2025

    5 departures · 7 passengers

    21.2%

    Load

  • July 2025

    0 departures · 0 passengers

    Load

  • August 2025

    0 departures · 0 passengers

    Load

  • September 2025

    5 departures · 23 passengers

    51.1%

    Load

  • October 2025

    2 departures · 1 passengers

    8.3%

    Load

  • November 2025

    5 departures · 18 passengers

    40.0%

    Load

  • December 2025

    1 departures · 3 passengers

    33.3%

    Load

  • January 2026

    13 departures · 39 passengers

    36.1%

    Load

  • February 2026

    5 departures · 27 passengers

    60.0%

    Load

  • March 2026

    11 departures · 38 passengers

    44.7%

    Load

  • April 2026

    5 departures · 18 passengers

    40.0%

    Load

By direction

The DOT files each direction separately — they rarely match.

SCMKSM

33.3% full

3 departures · 9 passengers

KSMSCM

50.0% full

2 departures · 9 passengers

Nonstop KSM–SCM 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

KSM

US

St Mary's Airport

Coordinates

62.06°N, 163.30°W

Hemisphere

N · W

SCM

Scammon Bay

US

Scammon Bay Airport

Coordinates

61.84°N, 165.58°W

Hemisphere

N · W

Frequently asked

How far is St Mary's (KSM) from Scammon Bay (SCM)?

KSM to SCM is 75 miles (121 km / 65 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from KSM to SCM?

A nonstop covers the 75-mile great-circle distance in roughly 0h 57m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies KSM–SCM?

In April 2026, the Piper PA-31 flew the largest share of departures (80.0%), followed by the Cessna 208 Caravan (20.0%).

What mileage do I earn flying KSM–SCM?

Distance-based programs credit off the 75-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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