AS452

AS452 (Alaska Airlines) is a multi-stop service on 8 routes, busiest Seattle to Houston. Of 332 departures recorded from October 2024 to July 2026, 69.2% 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
January155▼ 66.7%
February1610▼ 37.5%
March18180.0%
April1317▲ 30.8%
May1923▲ 21.1%
June3015▼ 50.0%
July307▼ 76.7%
August28––
September20––
October6–in progress
November18––
December11––
Year to date (Jan–Jul)14195▼ 32.6%

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
January80.0%20.0%▼ 75.0%
February64.3%60.0%▼ 6.7%
March55.6%88.2%▲ 58.8%
April61.5%76.5%▲ 24.3%
May47.4%91.3%▲ 92.7%
June40.0%93.3%▲ 133.3%
July62.1%57.1%▼ 7.9%
August78.6%––
September90.0%––
October66.7%–in progress
November77.8%––
December36.4%––
Year-to-date average (Jan–Jul)58.7%69.5%▲ 18.4%

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–
February20▼ 100.0%
March01–
April00–
May00–
June00–
July10▼ 100.0%
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)31▼ 66.7%

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% 328
  • Cancelled 1.2% 4

Share of all recorded flights in the period, all legs. · Oct 29, 2024 → Jul 26, 2026

On time, leg by leg

  1. SEA–IAH100 70.7%
  2. SMF–SEA89 57.5%
  3. LAS–PDX87 66.3%

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

Legs flown under this number

3
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 2 2 100.0% 0
November 2024 10 10 100.0% 0
December 2024 1 1 100.0% 0
January 2025 15 15 80.0% 0
February 2025 16 14 64.3% 2
March 2025 18 18 55.6% 0
April 2025 13 13 61.5% 0
May 2025 19 19 47.4% 0
June 2025 30 30 40.0% 0
July 2025 30 29 62.1% 1
August 2025 28 28 78.6% 0
September 2025 20 20 90.0% 0
October 2025 6 6 66.7% 0
November 2025 18 18 77.8% 0
December 2025 11 11 36.4% 0
January 2026 5 5 20.0% 0
February 2026 10 10 60.0% 0
March 2026 18 17 88.2% 1
April 2026 17 17 76.5% 0
May 2026 23 23 91.3% 0
June 2026 15 15 93.3% 0
July 2026 7 7 57.1% 0

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