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St Mary's (KSM) to Nunam Iqua (SXP)

59mi
95 km51 nm

Flight time

≈ 0h 55m

Bearing

303° NW

St Mary's (KSM) to Nunam Iqua (SXP) is 59 miles (95 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: KSM → SXPKSMSXP

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What actually flies KSMSXP

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 KSM–SXP; the Cessna 208 Caravan was the most common aircraft at 50% of departures; flights ran 24% full.

Departures

4

April 2026

Seats

33

both directions

Passengers

8

both directions

Load factor

24.2%

passengers ÷ seats

Who flies KSM–SXP?

/ Airlift Alaska d/b/a/ Yute Commuter Service operated the most nonstop KSM–SXP departures in April 2026 (2), one of 3 carriers on the route.

  • K2

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

    2 departures · 15 seats

    0.0%

    Load

  • 6F

    Fox Aircraft

    1 departures · 9 seats

    88.9%

    Load

  • 7S

    Ryan Air

    1 departures · 9 seats

    0.0%

    Load

What plane flies KSM–SXP?

In April 2026, the Cessna 208 Caravan flew 50% of KSM–SXP departures — more than any other aircraft type.

  • Cessna 208 Caravan

    2 departures · 44.4% load

    50.0%
  • Cessna C206

    1 departures · 0.0% load

    25.0%
  • Piper PA-31

    1 departures · 0.0% load

    25.0%

How has KSM–SXP traffic changed?

Nonstop KSM–SXP departures rose from 1 in May 2025 to 4 in April 2026.

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

  • May 2025

    1 departures · 6 passengers

    66.7%

    Load

  • June 2025

    2 departures · 2 passengers

    11.1%

    Load

  • July 2025

    3 departures · 4 passengers

    26.7%

    Load

  • August 2025

    4 departures · 4 passengers

    19.1%

    Load

  • September 2025

    3 departures · 1 passengers

    3.7%

    Load

  • October 2025

    2 departures · 3 passengers

    20.0%

    Load

  • November 2025

    0 departures · 0 passengers

    Load

  • December 2025

    0 departures · 0 passengers

    Load

  • January 2026

    1 departures · 3 passengers

    33.3%

    Load

  • February 2026

    9 departures · 24 passengers

    37.5%

    Load

  • March 2026

    8 departures · 9 passengers

    14.8%

    Load

  • April 2026

    4 departures · 8 passengers

    24.2%

    Load

By direction

The DOT files each direction separately — they rarely match.

SXPKSM

29.6% full

3 departures · 8 passengers

KSMSXP

0.0% full

1 departures · 0 passengers

Nonstop KSM–SXP 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

SXP

Nunam Iqua

US

Nunam Iqua Airport

Coordinates

62.52°N, 164.85°W

Hemisphere

N · W

Frequently asked

How far is St Mary's (KSM) from Nunam Iqua (SXP)?

KSM to SXP is 59 miles (95 km / 51 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from KSM to SXP?

A nonstop covers the 59-mile great-circle distance in roughly 0h 55m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies KSM–SXP?

In April 2026, the Cessna 208 Caravan flew the largest share of departures (50.0%), followed by the Cessna C206 (25.0%).

What mileage do I earn flying KSM–SXP?

Distance-based programs credit off the 59-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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