OO4008

OO4008 (SkyWest Airlines) is a multi-stop service on 10 routes, busiest Portland to Seattle. Of 620 departures recorded from October 2024 to July 2026, 82.6% 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
January5831▼ 46.6%
February5628▼ 50.0%
March3931▼ 20.5%
April4730▼ 36.2%
May1231▲ 158.3%
June2230▲ 36.4%
July631▲ 416.7%
August–––
September–––
October26–in progress
November7––
December14––
Year to date (Jan–Jul)240212▼ 11.7%

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
January74.1%90.3%▲ 21.8%
February73.2%96.4%▲ 31.7%
March76.9%90.3%▲ 17.4%
April74.5%90.0%▲ 20.9%
May83.3%96.8%▲ 16.1%
June86.4%100.0%▲ 15.8%
July100.0%96.8%▼ 3.2%
August–––
September–––
October96.2%–in progress
November100.0%––
December78.6%––
Year-to-date average (Jan–Jul)81.2%94.4%▲ 16.2%

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
January00–
February00–
March00–
April00–
May00–
June00–
July00–
August–––
September–––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)00

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 100.0% 620
  • Cancelled 0.0% 0

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

On time, leg by leg

  1. PDX–SEA238 94.1%
  2. DTW–MKE100 71.0%
  3. MKE–DTW99 65.7%
  4. ABQ–SLC36 91.7%
  5. DTW–MDT33 97.0%

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

Legs flown under this number

5
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 90.0% 0
November 2024 49 49 77.6% 0
December 2024 52 52 55.8% 0
January 2025 58 58 74.1% 0
February 2025 56 56 73.2% 0
March 2025 39 39 76.9% 0
April 2025 47 47 74.5% 0
May 2025 12 12 83.3% 0
June 2025 22 22 86.4% 0
July 2025 6 6 100.0% 0
October 2025 26 26 96.2% 0
November 2025 7 7 100.0% 0
December 2025 14 14 78.6% 0
January 2026 31 31 90.3% 0
February 2026 28 28 96.4% 0
March 2026 31 31 90.3% 0
April 2026 30 30 90.0% 0
May 2026 31 31 96.8% 0
June 2026 30 30 100.0% 0
July 2026 31 31 96.8% 0

How to read this chart

Loading the guide…