OO5740

OO5740 (SkyWest Airlines) is a multi-stop service on 11 routes, busiest San Francisco to Ontario. Of 441 departures recorded from October 2024 to July 2026, 86.0% 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
January631▲ 416.7%
February1211▼ 8.3%
March2927▼ 6.9%
April3029▼ 3.3%
May3121▼ 32.3%
June302▼ 93.3%
July308▼ 73.3%
August18––
September1––
October2–in progress
November29––
December14––
Year to date (Jan–Jul)168129▼ 23.2%

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
January100.0%80.7%▼ 19.3%
February91.7%81.8%▼ 10.7%
March75.0%92.6%▲ 23.5%
April80.0%96.6%▲ 20.7%
May63.3%95.2%▲ 50.4%
June76.7%50.0%▼ 34.8%
July96.7%100.0%▲ 3.4%
August100.0%––
September100.0%––
October100.0%–in progress
November68.0%––
December85.7%––
Year-to-date average (Jan–Jul)83.3%85.3%▲ 2.3%

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–
March10▼ 100.0%
April00–
May10▼ 100.0%
June00–
July00–
August0––
September0––
October0–in progress
November4––
December0––
Year to date (Jan–Jul)20▼ 100.0%

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 98.6% 435
  • Cancelled 1.4% 6

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 26, 2026

On time, leg by leg

  1. SFO–ONT178 87.0%
  2. MFR–SFO73 94.5%
  3. FSD–DEN53 96.2%
  4. SFO–SBA37 83.8%
  5. LEX–ORD35 82.9%
  6. ORD–LNK30 69.2%

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

Legs flown under this number

6
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 95.0% 0
November 2024 30 30 90.0% 0
December 2024 30 30 96.7% 0
January 2025 6 6 100.0% 0
February 2025 12 12 91.7% 0
March 2025 29 28 75.0% 1
April 2025 30 30 80.0% 0
May 2025 31 30 63.3% 1
June 2025 30 30 76.7% 0
July 2025 30 30 96.7% 0
August 2025 18 18 100.0% 0
September 2025 1 1 100.0% 0
October 2025 2 2 100.0% 0
November 2025 29 25 68.0% 4
December 2025 14 14 85.7% 0
January 2026 31 31 80.7% 0
February 2026 11 11 81.8% 0
March 2026 27 27 92.6% 0
April 2026 29 29 96.6% 0
May 2026 21 21 95.2% 0
June 2026 2 2 50.0% 0
July 2026 8 8 100.0% 0

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