AS1098

AS1098 (Alaska Airlines) is a multi-stop service on 2 routes, busiest Seattle to San Diego. Of 546 departures recorded from October 2024 to July 2026, 73.8% 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
January3124▼ 22.6%
February28280.0%
March2931▲ 6.9%
April2730▲ 11.1%
May3130▼ 3.2%
June30300.0%
July31310.0%
August31––
September26––
October21–in progress
November–––
December–––
Year to date (Jan–Jul)207204▼ 1.4%

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
January74.2%83.3%▲ 12.3%
February85.2%88.9%▲ 4.3%
March93.1%58.6%▼ 37.0%
April77.8%73.3%▼ 5.7%
May77.4%73.3%▼ 5.3%
June58.6%96.7%▲ 64.9%
July45.2%93.6%▲ 107.2%
August45.2%––
September64.0%––
October71.4%–in progress
November–––
December–––
Year-to-date average (Jan–Jul)73.1%81.1%▲ 11.0%

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–
February110.0%
March02–
April00–
May00–
June10▼ 100.0%
July00–
August0––
September1––
October0–in progress
November–––
December–––
Year to date (Jan–Jul)23▲ 50.0%

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 98.7% 539
  • Cancelled 1.3% 7

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

On time, leg by leg

  1. SEA–SAN342 69.5%
  2. HNL–KOA204 81.1%

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 17 17 76.5% 0
November 2024 14 14 78.6% 0
December 2024 26 25 68.0% 1
January 2025 31 31 74.2% 0
February 2025 28 27 85.2% 1
March 2025 29 29 93.1% 0
April 2025 27 27 77.8% 0
May 2025 31 31 77.4% 0
June 2025 30 29 58.6% 1
July 2025 31 31 45.2% 0
August 2025 31 31 45.2% 0
September 2025 26 25 64.0% 1
October 2025 21 21 71.4% 0
January 2026 24 24 83.3% 0
February 2026 28 27 88.9% 1
March 2026 31 29 58.6% 2
April 2026 30 30 73.3% 0
May 2026 30 30 73.3% 0
June 2026 30 30 96.7% 0
July 2026 31 31 93.6% 0

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