AS1023

AS1023 (Alaska Airlines) is a multi-stop service on 2 routes, busiest Pasco to Seattle. Of 431 departures recorded from October 2024 to July 2026, 88.0% 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 periods13 periods
PeriodDepartures 2025Departures 2026Change vs last year
January31310.0%
February28280.0%
March31310.0%
April3027▼ 10.0%
May3123▼ 25.8%
June1126▲ 136.4%
July–22–
August–––
September–––
October––in progress
November–––
December–––

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 periods13 periods
PeriodOn time 2025On time 2026Change vs last year
January90.3%96.8%▲ 7.1%
February59.3%100.0%▲ 68.7%
March87.1%83.9%▼ 3.7%
April86.7%96.3%▲ 11.1%
May93.1%95.5%▲ 2.5%
June72.7%92.0%▲ 26.5%
July–86.4%–
August–––
September–––
October––in progress
November–––
December–––

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 periods13 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January00–
February10▼ 100.0%
March00–
April00–
May21▼ 50.0%
June01–
July–0–
August–––
September–––
October––in progress
November–––
December–––

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 98.8% 426
  • Cancelled 1.2% 5

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

On time, leg by leg

  1. PSC–SEA243 84.2%
  2. HNL–LIH188 93.0%

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

Legs flown under this number

2
RoutesDistance (km)Avg delay On timeDepartures
PSC SEA Tri Cities Airport – Seattle–Tacoma International Airport 276 7.5 min 84.2% 243
HNL LIH Daniel K. Inouye International Airport – Lihue Airport 163 0.7 min 93.0% 188
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 90.0% 0
November 2024 30 30 86.7% 0
December 2024 31 31 83.9% 0
January 2025 31 31 90.3% 0
February 2025 28 27 59.3% 1
March 2025 31 31 87.1% 0
April 2025 30 30 86.7% 0
May 2025 31 29 93.1% 2
June 2025 11 11 72.7% 0
January 2026 31 31 96.8% 0
February 2026 28 28 100.0% 0
March 2026 31 31 83.9% 0
April 2026 27 27 96.3% 0
May 2026 23 22 95.5% 1
June 2026 26 25 92.0% 1
July 2026 22 22 86.4% 0

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