AS376

AS376 (Alaska Airlines) is a multi-stop service on 7 routes, busiest Portland to Chicago. Of 523 departures recorded from October 2024 to July 2026, 84.5% left on time, according to the US BTS.

Recorded departures by month

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

The most recent periods19 periods
PeriodDepartures 2025Departures 2026Change vs last year
January306▼ 80.0%
February2617▼ 34.6%
March2831▲ 10.7%
April2130▲ 42.9%
May1730▲ 76.5%
June30300.0%
July30300.0%
August25––
September12––
October18–in progress
November23––
December13––
Year to date (Jan–Jul)182174▼ 4.4%

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

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

The most recent periods19 periods
PeriodOn time 2025On time 2026Change vs last year
January86.2%80.0%▼ 7.2%
February88.5%94.1%▲ 6.4%
March82.1%83.3%▲ 1.4%
April85.7%86.7%▲ 1.1%
May87.5%66.7%▼ 23.8%
June86.7%83.3%▼ 3.9%
July66.7%90.0%▲ 35.0%
August68.0%––
September100.0%––
October94.1%–in progress
November90.9%––
December66.7%––
Year-to-date average (Jan–Jul)83.3%83.4%▲ 0.1%

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined
The most recent periods19 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January110.0%
February00–
March01–
April00–
May10▼ 100.0%
June00–
July00–
August0––
September0––
October1–in progress
November1––
December1––
Year to date (Jan–Jul)220.0%

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 98.7% 516
  • Cancelled 1.3% 7

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

On time, leg by leg

  1. PDX–ORD197 81.4%
  2. SEA–ATL181 88.9%
  3. SEA–MSP35 91.4%
  4. PDX–SEA34 87.9%

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

Legs flown under this number

4
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 19 19 94.7% 0
November 2024 28 28 92.9% 0
December 2024 29 29 93.1% 0
January 2025 30 29 86.2% 1
February 2025 26 26 88.5% 0
March 2025 28 28 82.1% 0
April 2025 21 21 85.7% 0
May 2025 17 16 87.5% 1
June 2025 30 30 86.7% 0
July 2025 30 30 66.7% 0
August 2025 25 25 68.0% 0
September 2025 12 12 100.0% 0
October 2025 18 17 94.1% 1
November 2025 23 22 90.9% 1
December 2025 13 12 66.7% 1
January 2026 6 5 80.0% 1
February 2026 17 17 94.1% 0
March 2026 31 30 83.3% 1
April 2026 30 30 86.7% 0
May 2026 30 30 66.7% 0
June 2026 30 30 83.3% 0
July 2026 30 30 90.0% 0

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