AS123

AS123 (Alaska Airlines) is a multi-stop service on 15 routes, busiest Seattle to Kahului. Of 199 departures recorded from October 2024 to May 2026, 82.3% 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 periods14 periods
PeriodDepartures 2025Departures 2026Change vs last year
January312▼ 93.5%
February122▼ 83.3%
March550.0%
April73▼ 57.1%
May57▲ 40.0%
June2––
July–––
August–––
September–––
October28–in progress
November20––
December18––
Year to date (Jan–May)6019▼ 68.3%

according to the US BTS · October 2024 → May 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 periods14 periods
PeriodOn time 2025On time 2026Change vs last year
January87.1%50.0%▼ 42.6%
February63.6%100.0%▲ 57.1%
March100.0%100.0%0.0%
April100.0%66.7%▼ 33.3%
May80.0%28.6%▼ 64.3%
June100.0%––
July–––
August–––
September–––
October85.7%–in progress
November85.0%––
December72.2%––
Year-to-date average (Jan–May)86.1%69.0%▼ 19.8%

according to the US BTS · October 2024 → May 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → May 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods14 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January00–
February10▼ 100.0%
March00–
April00–
May00–
June0––
July–––
August–––
September–––
October0–in progress
November0––
December0––
Year to date (Jan–May)10▼ 100.0%

according to the US BTS · October 2024 → May 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 99.5% 198
  • Cancelled 0.5% 1

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → May 19, 2026

On time, leg by leg

  1. SEA–OGG41 82.9%
  2. SEA–PDX38 83.8%
  3. ONT–PDX38 97.4%

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 12 12 100.0% 0
November 2024 19 19 94.7% 0
December 2024 21 21 71.4% 0
January 2025 31 31 87.1% 0
February 2025 12 11 63.6% 1
March 2025 5 5 100.0% 0
April 2025 7 7 100.0% 0
May 2025 5 5 80.0% 0
June 2025 2 2 100.0% 0
October 2025 28 28 85.7% 0
November 2025 20 20 85.0% 0
December 2025 18 18 72.2% 0
January 2026 2 2 50.0% 0
February 2026 2 2 100.0% 0
March 2026 5 5 100.0% 0
April 2026 3 3 66.7% 0
May 2026 7 7 28.6% 0

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