AS1004

AS1004 (Alaska Airlines) is a multi-stop service on 2 routes, busiest Seattle to Spokane. Of 462 departures recorded from October 2024 to July 2026, 79.2% 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
January2731▲ 14.8%
February2628▲ 7.7%
March3115▼ 51.6%
April3021▼ 30.0%
May1431▲ 121.4%
June1930▲ 57.9%
July31310.0%
August18––
September–––
October––in progress
November–––
December–––
Year to date (Jan–Jul)178187▲ 5.1%

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 periods15 periods
PeriodOn time 2025On time 2026Change vs last year
January74.1%93.6%▲ 26.3%
February69.2%92.6%▲ 33.7%
March61.3%100.0%▲ 63.2%
April86.7%85.7%▼ 1.1%
May78.6%96.8%▲ 23.2%
June47.4%96.7%▲ 104.1%
July48.4%100.0%▲ 106.7%
August62.5%––
September–––
October––in progress
November–––
December–––
Year-to-date average (Jan–Jul)66.5%95.0%▲ 42.9%

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 periods15 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January00–
February01–
March02–
April00–
May00–
June00–
July00–
August2––
September–––
October––in progress
November–––
December–––
Year to date (Jan–Jul)03

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 98.9% 457
  • Cancelled 1.1% 5

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

On time, leg by leg

  1. SEA–GEG275 68.5%
  2. LIH–HNL187 95.1%

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

Legs flown under this number

2
RoutesDistance (km)Avg delay On timeDepartures
SEA GEG Seattle–Tacoma International Airport – Spokane International Airport 359 13.6 min 68.5% 275
LIH HNL Lihue Airport – Daniel K. Inouye International Airport 163 -2.4 min 95.1% 187
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 80.0% 0
November 2024 28 28 64.3% 0
December 2024 31 31 80.7% 0
January 2025 27 27 74.1% 0
February 2025 26 26 69.2% 0
March 2025 31 31 61.3% 0
April 2025 30 30 86.7% 0
May 2025 14 14 78.6% 0
June 2025 19 19 47.4% 0
July 2025 31 31 48.4% 0
August 2025 18 16 62.5% 2
January 2026 31 31 93.6% 0
February 2026 28 27 92.6% 1
March 2026 15 13 100.0% 2
April 2026 21 21 85.7% 0
May 2026 31 31 96.8% 0
June 2026 30 30 96.7% 0
July 2026 31 31 100.0% 0

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