AS364

AS364 (Alaska Airlines) is a multi-stop service on 7 routes, busiest Boston to Seattle. Of 411 departures recorded from October 2024 to July 2026, 84.6% 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 periods16 periods
PeriodDepartures 2025Departures 2026Change vs last year
January301▼ 96.7%
February2817▼ 39.3%
March31310.0%
April30300.0%
May31310.0%
June1130▲ 172.7%
July–31–
August–––
September–––
October1–in progress
November1––
December1––

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 periods16 periods
PeriodOn time 2025On time 2026Change vs last year
January86.7%0.0%▼ 100.0%
February81.5%94.1%▲ 15.5%
March87.1%83.3%▼ 4.3%
April100.0%86.7%▼ 13.3%
May70.0%83.9%▲ 19.8%
June90.9%90.0%▼ 1.0%
July–80.7%–
August–––
September–––
October0.0%–in progress
November100.0%––
December100.0%––

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 periods16 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January00–
February10▼ 100.0%
March01–
April00–
May10▼ 100.0%
June00–
July–0–
August–––
September–––
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 99.3% 408
  • Cancelled 0.7% 3

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026

On time, leg by leg

  1. BOS–SEA238 84.3%
  2. MSY–PDX90 87.6%
  3. GEG–SEA52 82.7%

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 20 20 95.0% 0
November 2024 28 28 75.0% 0
December 2024 28 28 78.6% 0
January 2025 30 30 86.7% 0
February 2025 28 27 81.5% 1
March 2025 31 31 87.1% 0
April 2025 30 30 100.0% 0
May 2025 31 30 70.0% 1
June 2025 11 11 90.9% 0
October 2025 1 1 0.0% 0
November 2025 1 1 100.0% 0
December 2025 1 1 100.0% 0
January 2026 1 1 0.0% 0
February 2026 17 17 94.1% 0
March 2026 31 30 83.3% 1
April 2026 30 30 86.7% 0
May 2026 31 31 83.9% 0
June 2026 30 30 90.0% 0
July 2026 31 31 80.7% 0

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