AS91

AS91 (Alaska Airlines) is a multi-stop service on 8 routes, busiest Seattle to Sitka. Of 359 departures recorded from October 2024 to July 2026, 79.9% 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 periods17 periods
PeriodDepartures 2025Departures 2026Change vs last year
January–24–
February320▲ 566.7%
March226▲ 1,200.0%
April–21–
May1820▲ 11.1%
June30300.0%
July31310.0%
August24––
September12––
October7–in progress
November30––
December29––

according to the US BTS · October 2024 → July 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 periods17 periods
PeriodOn time 2025On time 2026Change vs last year
January–87.5%–
February100.0%85.0%▼ 15.0%
March100.0%88.5%▼ 11.5%
April–95.2%–
May72.2%95.0%▲ 31.5%
June60.0%66.7%▲ 11.1%
July63.3%64.5%▲ 1.9%
August75.0%––
September66.7%––
October100.0%–in progress
November100.0%––
December93.1%––

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods17 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January–0–
February00–
March00–
April–0–
May00–
June00–
July10▼ 100.0%
August0––
September0––
October0–in progress
November0––
December0––

according to the US BTS · October 2024 → July 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 99.7% 358
  • Cancelled 0.3% 1

Share of all recorded flights in the period, all legs. · Oct 26, 2024 → Jul 31, 2026

On time, leg by leg

  1. SEA–SIT178 68.4%
  2. ANC–HNL95 89.5%
  3. OGG–LAX35 94.3%

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

Legs flown under this number

3
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 1 1 100.0% 0
February 2025 3 3 100.0% 0
March 2025 2 2 100.0% 0
May 2025 18 18 72.2% 0
June 2025 30 30 60.0% 0
July 2025 31 30 63.3% 1
August 2025 24 24 75.0% 0
September 2025 12 12 66.7% 0
October 2025 7 7 100.0% 0
November 2025 30 30 100.0% 0
December 2025 29 29 93.1% 0
January 2026 24 24 87.5% 0
February 2026 20 20 85.0% 0
March 2026 26 26 88.5% 0
April 2026 21 21 95.2% 0
May 2026 20 20 95.0% 0
June 2026 30 30 66.7% 0
July 2026 31 31 64.5% 0

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