OO3817

OO3817 (SkyWest Airlines) is a multi-stop service on 8 routes, busiest Seattle to Boise. Of 599 departures recorded from October 2024 to July 2026, 89.5% 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
January3138▲ 22.6%
February2824▼ 14.3%
March3130▼ 3.2%
April30300.0%
May3156▲ 80.6%
June2735▲ 29.6%
July2331▲ 34.8%
August17––
September12––
October16–in progress
November10––
December20––
Year to date (Jan–Jul)201244▲ 21.4%

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
January96.8%92.1%▼ 4.8%
February78.6%87.5%▲ 11.4%
March93.6%79.3%▼ 15.2%
April86.7%90.0%▲ 3.8%
May96.8%91.1%▼ 5.9%
June92.6%88.6%▼ 4.3%
July78.3%80.7%▲ 3.1%
August76.5%––
September91.7%––
October87.5%–in progress
November90.0%––
December95.0%––
Year-to-date average (Jan–Jul)89.0%87.0%▼ 2.2%

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–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)01

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 99.7% 597
  • Cancelled 0.3% 2

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

On time, leg by leg

  1. SEA–BOI454 89.6%
  2. CLE–DTW54 81.5%
  3. BOI–SEA31 87.1%
  4. SLC–SNA30 93.3%

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

Legs flown under this number

4
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 100.0% 0
November 2024 28 28 92.9% 0
December 2024 31 30 96.7% 1
January 2025 31 31 96.8% 0
February 2025 28 28 78.6% 0
March 2025 31 31 93.6% 0
April 2025 30 30 86.7% 0
May 2025 31 31 96.8% 0
June 2025 27 27 92.6% 0
July 2025 23 23 78.3% 0
August 2025 17 17 76.5% 0
September 2025 12 12 91.7% 0
October 2025 16 16 87.5% 0
November 2025 10 10 90.0% 0
December 2025 20 20 95.0% 0
January 2026 38 38 92.1% 0
February 2026 24 24 87.5% 0
March 2026 30 29 79.3% 1
April 2026 30 30 90.0% 0
May 2026 56 56 91.1% 0
June 2026 35 35 88.6% 0
July 2026 31 31 80.7% 0

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