AS1086

AS1086 (Alaska Airlines) is a multi-stop service on 2 routes, busiest Seattle to Ontario. Of 507 departures recorded from October 2024 to July 2026, 73.9% 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
January2231▲ 40.9%
February1828▲ 55.6%
March2131▲ 47.6%
April2230▲ 36.4%
May2231▲ 40.9%
June2930▲ 3.4%
July3031▲ 3.3%
August31––
September30––
October21–in progress
November–––
December–––
Year to date (Jan–Jul)164212▲ 29.3%

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
January68.2%74.2%▲ 8.8%
February70.6%92.9%▲ 31.5%
March66.7%73.3%▲ 10.0%
April81.8%76.7%▼ 6.3%
May68.2%71.0%▲ 4.1%
June55.2%90.0%▲ 63.1%
July36.7%87.1%▲ 137.5%
August61.3%––
September80.0%––
October90.5%–in progress
November–––
December–––
Year-to-date average (Jan–Jul)63.9%80.7%▲ 26.3%

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
January00–
February10▼ 100.0%
March01–
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November–––
December–––
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% 505
  • Cancelled 0.4% 2

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

On time, leg by leg

  1. SEA–ONT295 69.1%
  2. HNL–OGG212 80.6%

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

Legs flown under this number

2
RoutesDistance (km)Avg delay On timeDepartures
SEA ONT Seattle–Tacoma International Airport – Ontario International Airport 1,540 13.8 min 69.1% 295
HNL OGG Daniel K. Inouye International Airport – Kahului International Airport 162 10.3 min 80.6% 212
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 13 13 76.9% 0
November 2024 21 21 90.5% 0
December 2024 15 15 73.3% 0
January 2025 22 22 68.2% 0
February 2025 18 17 70.6% 1
March 2025 21 21 66.7% 0
April 2025 22 22 81.8% 0
May 2025 22 22 68.2% 0
June 2025 29 29 55.2% 0
July 2025 30 30 36.7% 0
August 2025 31 31 61.3% 0
September 2025 30 30 80.0% 0
October 2025 21 21 90.5% 0
January 2026 31 31 74.2% 0
February 2026 28 28 92.9% 0
March 2026 31 30 73.3% 1
April 2026 30 30 76.7% 0
May 2026 31 31 71.0% 0
June 2026 30 30 90.0% 0
July 2026 31 31 87.1% 0

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