AS663

AS663 (Alaska Airlines) is a multi-stop service on 3 routes, busiest Portland to Phoenix. Of 323 departures recorded from January 2025 to July 2026, 80.8% 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 periods15 periods
PeriodDepartures 2025Departures 2026Change vs last year
January266▼ 76.9%
February2617▼ 34.6%
March2831▲ 10.7%
April30300.0%
May3012▼ 60.0%
June1121▲ 90.9%
July–30–
August–––
September–––
October––in progress
November10––
December15––

according to the US BTS · January 2025 → 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 periods15 periods
PeriodOn time 2025On time 2026Change vs last year
January80.0%66.7%▼ 16.7%
February92.3%100.0%▲ 8.3%
March85.7%87.1%▲ 1.6%
April83.3%93.3%▲ 12.0%
May66.7%91.7%▲ 37.5%
June81.8%42.9%▼ 47.6%
July–73.3%–
August–––
September–––
October––in progress
November90.0%––
December73.3%––

according to the US BTS · January 2025 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · January 2025 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods15 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January10▼ 100.0%
February00–
March00–
April00–
May00–
June00–
July–0–
August–––
September–––
October––in progress
November0––
December0––

according to the US BTS · January 2025 → 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% 322
  • Cancelled 0.3% 1

Share of all recorded flights in the period, all legs. · Jan 6, 2025 → Jul 31, 2026

On time, leg by leg

  1. PDX–PHX245 86.5%
  2. SEA–ANC51 60.8%

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

Legs flown under this number

2
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
January 2025 26 25 80.0% 1
February 2025 26 26 92.3% 0
March 2025 28 28 85.7% 0
April 2025 30 30 83.3% 0
May 2025 30 30 66.7% 0
June 2025 11 11 81.8% 0
November 2025 10 10 90.0% 0
December 2025 15 15 73.3% 0
January 2026 6 6 66.7% 0
February 2026 17 17 100.0% 0
March 2026 31 31 87.1% 0
April 2026 30 30 93.3% 0
May 2026 12 12 91.7% 0
June 2026 21 21 42.9% 0
July 2026 30 30 73.3% 0

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