SEA → PSC

OO4017

OO4017 (SkyWest Airlines) flies Seattle to Pasco. Of 657 departures recorded from October 2024 to July 2026, 84.9% left on time, according to the US BTS.

Recorded departures by month

The most recent periods19 periods
PeriodDepartures 2025Departures 2026Change vs last year
January31310.0%
February28280.0%
March31310.0%
April30300.0%
May31310.0%
June30300.0%
July3130▼ 3.2%
August31––
September30––
October31–in progress
November30––
December31––
Year to date (Jan–Jul)212211▼ 0.5%

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
January87.1%80.7%▼ 7.4%
February71.4%85.7%▲ 20.0%
March77.4%76.7%▼ 1.0%
April86.7%70.0%▼ 19.2%
May100.0%90.3%▼ 9.7%
June70.0%93.3%▲ 33.3%
July87.1%70.0%▼ 19.6%
August93.6%––
September93.3%––
October93.6%–in progress
November90.0%––
December90.3%––
Year-to-date average (Jan–Jul)82.8%81.0%▼ 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.

Cancellation share

  • Not cancelled 99.7% 655
  • Cancelled 0.3% 2

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

Legs flown under this number

1
RoutesDistance (km)Avg delay On timeDepartures
SEA PSC Seattle–Tacoma International Airport – Tri Cities Airport 276 10.5 min 84.9% 657
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 85.0% 0
November 2024 30 30 90.0% 0
December 2024 31 30 83.3% 1
January 2025 31 31 87.1% 0
February 2025 28 28 71.4% 0
March 2025 31 31 77.4% 0
April 2025 30 30 86.7% 0
May 2025 31 31 100.0% 0
June 2025 30 30 70.0% 0
July 2025 31 31 87.1% 0
August 2025 31 31 93.6% 0
September 2025 30 30 93.3% 0
October 2025 31 31 93.6% 0
November 2025 30 30 90.0% 0
December 2025 31 31 90.3% 0
January 2026 31 31 80.7% 0
February 2026 28 28 85.7% 0
March 2026 31 30 76.7% 1
April 2026 30 30 70.0% 0
May 2026 31 31 90.3% 0
June 2026 30 30 93.3% 0
July 2026 30 30 70.0% 0

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