AS1144

AS1144 (Alaska Airlines) is a multi-stop service on 2 routes, busiest Seattle to Los Angeles. Of 522 departures recorded from October 2024 to July 2026, 75.6% 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 periods17 periods
PeriodDepartures 2025Departures 2026Change vs last year
January2731▲ 14.8%
February2628▲ 7.7%
March2826▼ 7.1%
April2930▲ 3.4%
May2926▼ 10.3%
June2720▼ 25.9%
July2722▼ 18.5%
August27––
September30––
October25–in progress
November–––
December–––
Year to date (Jan–Jul)193183▼ 5.2%

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 periods17 periods
PeriodOn time 2025On time 2026Change vs last year
January85.2%66.7%▼ 21.7%
February88.0%50.0%▼ 43.2%
March88.9%61.5%▼ 30.8%
April75.9%83.3%▲ 9.8%
May69.0%80.0%▲ 16.0%
June59.3%100.0%▲ 68.7%
July55.6%86.4%▲ 55.4%
August81.5%––
September62.1%––
October88.0%–in progress
November–––
December–––
Year-to-date average (Jan–Jul)74.5%75.4%▲ 1.2%

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 periods17 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January01–
February14▲ 300.0%
March10▼ 100.0%
April00–
May01–
June04–
July00–
August0––
September1––
October0–in progress
November–––
December–––
Year to date (Jan–Jul)210▲ 400.0%

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 97.5% 509
  • Cancelled 2.5% 13

Share of all recorded flights in the period, all legs. · Oct 27, 2024 → Jul 31, 2026

On time, leg by leg

  1. SEA–LAX339 76.5%
  2. LIH–HNL183 74.0%

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

Legs flown under this number

2
RoutesDistance (km)Avg delay On timeDepartures
SEA LAX Seattle–Tacoma International Airport – Los Angeles International Airport 1,537 8.3 min 76.5% 339
LIH HNL Lihue Airport – Daniel K. Inouye International Airport 163 12.2 min 74.0% 183
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 5 5 100.0% 0
November 2024 30 30 90.0% 0
December 2024 29 29 72.4% 0
January 2025 27 27 85.2% 0
February 2025 26 25 88.0% 1
March 2025 28 27 88.9% 1
April 2025 29 29 75.9% 0
May 2025 29 29 69.0% 0
June 2025 27 27 59.3% 0
July 2025 27 27 55.6% 0
August 2025 27 27 81.5% 0
September 2025 30 29 62.1% 1
October 2025 25 25 88.0% 0
January 2026 31 30 66.7% 1
February 2026 28 24 50.0% 4
March 2026 26 26 61.5% 0
April 2026 30 30 83.3% 0
May 2026 26 25 80.0% 1
June 2026 20 16 100.0% 4
July 2026 22 22 86.4% 0

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