FAA · Live

Open the map

Bethel (BET) to St Mary's (KSM)

101mi
162 km88 nm

Flight time

≈ 1h 00m

Bearing

332° NW

Bethel (BET) to St Mary's (KSM) is 101 miles (162 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: BET → KSMBETKSM

Look up a route, or build a trip

Change the airports, or add stops for a multi-leg trip.

What actually flies BETKSM

US DOT T-100 · filed data

In April 2026, / Airlift Alaska d/b/a/ Yute Commuter Service operated the most departures, one of 3 carriers flying nonstop BET–KSM; the Cessna C206 was the most common aircraft at 54% of departures; flights ran 26% full.

Departures

69

April 2026

Seats

509

both directions

Passengers

133

both directions

Load factor

26.1%

passengers ÷ seats

Who flies BET–KSM?

/ Airlift Alaska d/b/a/ Yute Commuter Service operated the most nonstop BET–KSM departures in April 2026 (41), one of 3 carriers on the route.

  • K2

    / Airlift Alaska d/b/a/ Yute Commuter Service

    41 departures · 287 seats

    22.7%

    Load

  • 6F

    Fox Aircraft

    27 departures · 213 seats

    31.0%

    Load

  • 7S

    Ryan Air

    1 departures · 9 seats

    22.2%

    Load

What plane flies BET–KSM?

In April 2026, the Cessna C206 flew 54% of BET–KSM departures — more than any other aircraft type.

  • Cessna C206

    37 departures · 17.2% load

    53.6%
  • Piper PA-31

    26 departures · 34.2% load

    37.7%
  • Cessna 208 Caravan

    3 departures · 7.4% load

    4.3%
  • Cessna C208B

    2 departures · 61.1% load

    2.9%
  • Cessna 172 Skyhawk

    1 departures · 33.3% load

    1.5%

How has BET–KSM traffic changed?

Nonstop BET–KSM departures fell from 112 in May 2025 to 69 in April 2026.

Monthly nonstop BETKSM traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.

  • May 2025

    112 departures · 410 passengers

    46.8%

    Load

  • June 2025

    144 departures · 490 passengers

    44.0%

    Load

  • July 2025

    146 departures · 517 passengers

    45.1%

    Load

  • August 2025

    153 departures · 534 passengers

    44.0%

    Load

  • September 2025

    250 departures · 912 passengers

    46.9%

    Load

  • October 2025

    177 departures · 653 passengers

    47.0%

    Load

  • November 2025

    121 departures · 471 passengers

    48.6%

    Load

  • December 2025

    121 departures · 402 passengers

    41.5%

    Load

  • January 2026

    131 departures · 406 passengers

    39.2%

    Load

  • February 2026

    116 departures · 284 passengers

    34.3%

    Load

  • March 2026

    168 departures · 478 passengers

    38.6%

    Load

  • April 2026

    69 departures · 133 passengers

    26.1%

    Load

By direction

The DOT files each direction separately — they rarely match.

KSMBET

32.4% full

37 departures · 90 passengers

BETKSM

18.6% full

32 departures · 43 passengers

Nonstop BET–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

BET

US

Bethel Airport

Coordinates

60.78°N, 161.84°W

Hemisphere

N · W

KSM

US

St Mary's Airport

Coordinates

62.06°N, 163.30°W

Hemisphere

N · W

Frequently asked

How far is Bethel (BET) from St Mary's (KSM)?

BET to KSM is 101 miles (162 km / 88 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from BET to KSM?

A nonstop covers the 101-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 BET–KSM?

In April 2026, the Cessna C206 flew the largest share of departures (53.6%), followed by the Piper PA-31 (37.7%).

What mileage do I earn flying BET–KSM?

Distance-based programs credit off the 101-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

Keep exploring

Every route below is its own page.