OO5491

OO5491 (SkyWest Airlines) is a multi-stop service on 5 routes, busiest San Francisco to Pasco. Of 620 departures recorded from October 2024 to June 2026, 85.2% 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 periods18 periods
PeriodDepartures 2025Departures 2026Change vs last year
January31310.0%
February2827▼ 3.6%
March31310.0%
April30300.0%
May31310.0%
June3024▼ 20.0%
July31––
August31––
September30––
October31–in progress
November30––
December31––
Year to date (Jan–Jun)181174▼ 3.9%

according to the US BTS · October 2024 → June 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 periods18 periods
PeriodOn time 2025On time 2026Change vs last year
January90.3%83.9%▼ 7.1%
February92.9%70.4%▼ 24.2%
March93.6%87.1%▼ 6.9%
April83.3%86.7%▲ 4.0%
May83.9%71.0%▼ 15.4%
June90.0%91.7%▲ 1.9%
July93.6%––
August96.8%––
September73.3%––
October80.7%–in progress
November96.7%––
December96.8%––
Year-to-date average (Jan–Jun)89.0%81.8%▼ 8.1%

according to the US BTS · October 2024 → June 2026

Average departure delay by month

All legs combined

according to the US BTS · October 2024 → June 2026

Cancelled departures by month

All legs combined
The most recent periods18 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January00–
February00–
March00–
April00–
May00–
June00–
July0––
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jun)00

according to the US BTS · October 2024 → June 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 → Jun 24, 2026

Legs flown under this number

1
RoutesDistance (km)Avg delay On timeDepartures
SFO PSC San Francisco International Airport – Tri Cities Airport 998 7.2 min 84.6% 577
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 85.0% 0
November 2024 30 30 66.7% 0
December 2024 31 31 74.2% 0
January 2025 31 31 90.3% 0
February 2025 28 28 92.9% 0
March 2025 31 31 93.6% 0
April 2025 30 30 83.3% 0
May 2025 31 31 83.9% 0
June 2025 30 30 90.0% 0
July 2025 31 31 93.6% 0
August 2025 31 31 96.8% 0
September 2025 30 30 73.3% 0
October 2025 31 31 80.7% 0
November 2025 30 30 96.7% 0
December 2025 31 31 96.8% 0
January 2026 31 31 83.9% 0
February 2026 27 27 70.4% 0
March 2026 31 31 87.1% 0
April 2026 30 30 86.7% 0
May 2026 31 31 71.0% 0
June 2026 24 24 91.7% 0

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