AS151

AS151 (Alaska Airlines) is a multi-stop service on 9 routes, busiest King Salmon to Anchorage. Of 261 departures recorded from October 2024 to April 2026, 87.7% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

Months without data are left blank.

The most recent periods11 periods
PeriodDepartures 2025Departures 2026Change vs last year
January–1–
February–––
March211▲ 450.0%
April–15–
May–––
June38––
July62––
August62––
September60––
October6–in progress
November1––
December1––

according to the US BTS · October 2024 → April 2026

On-time departures by month

All legs combined

Months without data are left blank.

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods11 periods
PeriodOn time 2025On time 2026Change vs last year
January–100.0%–
February–––
March100.0%90.9%▼ 9.1%
April–100.0%–
May–––
June71.1%––
July85.5%––
August90.3%––
September96.7%––
October100.0%–in progress
November100.0%––
December0.0%––

according to the US BTS · October 2024 → April 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → April 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods11 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January–0–
February–––
March00–
April–0–
May–––
June0––
July0––
August0––
September0––
October0–in progress
November0––
December0––

according to the US BTS · October 2024 → April 2026

This is not a forecast

This is a historical record of departures already flown, not a forecast for your flight.

This number flies several legs

Several legs: the headline figure averages all of them. See the leg table.

Cancellation share

  • Not cancelled 100.0% 261
  • Cancelled 0.0% 0

Share of all recorded flights in the period, all legs. · Oct 20, 2024 → Apr 21, 2026

On time, leg by leg

  1. ANC–AKN114 81.6%
  2. AKN–ANC114 93.9%

Departures within 15 minutes of schedule; small figure = departures recorded.

Legs flown under this number

2
RoutesDistance (km)Avg delay On timeDepartures
ANC AKN Ted Stevens Anchorage International Airport – King Salmon Airport 463 1.5 min 81.6% 114
AKN ANC King Salmon Airport – Ted Stevens Anchorage International Airport 463 -9.4 min 93.9% 114
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 2 2 0.0% 0
March 2025 2 2 100.0% 0
June 2025 38 38 71.1% 0
July 2025 62 62 85.5% 0
August 2025 62 62 90.3% 0
September 2025 60 60 96.7% 0
October 2025 6 6 100.0% 0
November 2025 1 1 100.0% 0
December 2025 1 1 0.0% 0
January 2026 1 1 100.0% 0
March 2026 11 11 90.9% 0
April 2026 15 15 100.0% 0

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