AS602

AS602 (Alaska Airlines) is a multi-stop service on 3 routes, busiest Seattle to Denver. Of 517 departures recorded from October 2024 to July 2026, 67.6% 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
January1831▲ 72.2%
February2423▼ 4.2%
March2912▼ 58.6%
April249▼ 62.5%
May2831▲ 10.7%
June2729▲ 7.4%
July2631▲ 19.2%
August26––
September26––
October9–in progress
November29––
December30––
Year to date (Jan–Jul)176166▼ 5.7%

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
January77.8%71.0%▼ 8.8%
February58.3%82.6%▲ 41.6%
March65.5%63.6%▼ 2.9%
April37.5%77.8%▲ 107.4%
May57.1%87.1%▲ 52.4%
June30.8%75.9%▲ 146.5%
July46.2%67.7%▲ 46.8%
August50.0%––
September69.2%––
October77.8%–in progress
November75.9%––
December76.7%––
Year-to-date average (Jan–Jul)53.3%75.1%▲ 40.9%

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
January00–
February00–
March01–
April00–
May00–
June10▼ 100.0%
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)110.0%

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 99.6% 515
  • Cancelled 0.4% 2

Share of all recorded flights in the period, all legs. · Oct 15, 2024 → Jul 31, 2026

On time, leg by leg

  1. SEA–DEN461 65.1%
  2. PHX–SEA55 87.3%

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
October 2024 9 9 88.9% 0
November 2024 28 28 89.3% 0
December 2024 18 18 83.3% 0
January 2025 18 18 77.8% 0
February 2025 24 24 58.3% 0
March 2025 29 29 65.5% 0
April 2025 24 24 37.5% 0
May 2025 28 28 57.1% 0
June 2025 27 26 30.8% 1
July 2025 26 26 46.2% 0
August 2025 26 26 50.0% 0
September 2025 26 26 69.2% 0
October 2025 9 9 77.8% 0
November 2025 29 29 75.9% 0
December 2025 30 30 76.7% 0
January 2026 31 31 71.0% 0
February 2026 23 23 82.6% 0
March 2026 12 11 63.6% 1
April 2026 9 9 77.8% 0
May 2026 31 31 87.1% 0
June 2026 29 29 75.9% 0
July 2026 31 31 67.7% 0

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