OO4805

OO4805 (SkyWest Airlines) is a multi-stop service on 16 routes, busiest San Francisco to Salt Lake City. Of 618 departures recorded from October 2024 to July 2026, 78.1% 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
January2231▲ 40.9%
February2028▲ 40.0%
March2931▲ 6.9%
April30300.0%
May1131▲ 181.8%
June30300.0%
July3130▼ 3.2%
August31––
September30––
October31–in progress
November30––
December31––
Year to date (Jan–Jul)173211▲ 22.0%

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
January81.0%71.0%▼ 12.3%
February73.7%71.4%▼ 3.1%
March81.5%74.2%▼ 8.9%
April93.3%51.7%▼ 44.6%
May72.7%67.7%▼ 6.9%
June90.0%75.9%▼ 15.7%
July77.4%86.7%▲ 11.9%
August90.3%––
September93.3%––
October90.3%–in progress
November81.5%––
December53.3%––
Year-to-date average (Jan–Jul)81.4%71.2%▼ 12.5%

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
January10▼ 100.0%
February10▼ 100.0%
March20▼ 100.0%
April01–
May00–
June01–
July00–
August0––
September0––
October0–in progress
November3––
December1––
Year to date (Jan–Jul)42▼ 50.0%

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 98.2% 607
  • Cancelled 1.8% 11

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

On time, leg by leg

  1. SFO–SLC372 75.1%
  2. DEN–MSN71 84.3%
  3. DEN–SAF37 81.1%
  4. MLI–ORD36 88.9%

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 80.0% 0
November 2024 30 29 65.5% 1
December 2024 31 31 90.3% 0
January 2025 22 21 81.0% 1
February 2025 20 19 73.7% 1
March 2025 29 27 81.5% 2
April 2025 30 30 93.3% 0
May 2025 11 11 72.7% 0
June 2025 30 30 90.0% 0
July 2025 31 31 77.4% 0
August 2025 31 31 90.3% 0
September 2025 30 30 93.3% 0
October 2025 31 31 90.3% 0
November 2025 30 27 81.5% 3
December 2025 31 30 53.3% 1
January 2026 31 31 71.0% 0
February 2026 28 28 71.4% 0
March 2026 31 31 74.2% 0
April 2026 30 29 51.7% 1
May 2026 31 31 67.7% 0
June 2026 30 29 75.9% 1
July 2026 30 30 86.7% 0

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