OO3400

OO3400 (SkyWest Airlines) is a multi-stop service on 5 routes, busiest Seattle to Bellingham. Of 746 departures recorded from October 2024 to July 2026, 79.5% 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 periods16 periods
PeriodDepartures 2025Departures 2026Change vs last year
January34––
February42––
March6214▼ 77.4%
April4221▼ 50.0%
May3438▲ 11.8%
June6039▼ 35.0%
July6231▼ 50.0%
August45––
September17––
October44–in progress
November1––
December–––

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 periods16 periods
PeriodOn time 2025On time 2026Change vs last year
January87.5%––
February71.4%––
March74.2%92.9%▲ 25.2%
April81.0%76.2%▼ 5.9%
May73.5%89.5%▲ 21.7%
June58.3%100.0%▲ 71.4%
July68.3%100.0%▲ 46.3%
August60.0%––
September82.4%––
October77.3%–in progress
November0.0%––
December–––

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 periods16 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January2––
February0––
March00–
April00–
May00–
June00–
July20▼ 100.0%
August0––
September0––
October0–in progress
November0––
December–––

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 99.5% 742
  • Cancelled 0.5% 4

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

On time, leg by leg

  1. SEA–BLI333 79.7%
  2. BLI–SEA299 74.8%
  3. PDX–SJC61 85.3%
  4. BUR–STS52 100.0%

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 40 40 85.0% 0
November 2024 58 58 89.7% 0
December 2024 62 62 91.9% 0
January 2025 34 32 87.5% 2
February 2025 42 42 71.4% 0
March 2025 62 62 74.2% 0
April 2025 42 42 81.0% 0
May 2025 34 34 73.5% 0
June 2025 60 60 58.3% 0
July 2025 62 60 68.3% 2
August 2025 45 45 60.0% 0
September 2025 17 17 82.4% 0
October 2025 44 44 77.3% 0
November 2025 1 1 0.0% 0
March 2026 14 14 92.9% 0
April 2026 21 21 76.2% 0
May 2026 38 38 89.5% 0
June 2026 39 39 100.0% 0
July 2026 31 31 100.0% 0

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