OO4101

OO4101 (SkyWest Airlines) is a multi-stop service on 6 routes, busiest Los Angeles to Sacramento. Of 605 departures recorded from October 2024 to July 2026, 84.8% 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
January3025▼ 16.7%
February2822▼ 21.4%
March2827▼ 3.6%
April26260.0%
May455▲ 1,275.0%
June1854▲ 200.0%
July2362▲ 169.6%
August20––
September17––
October30–in progress
November28––
December28––
Year to date (Jan–Jul)157271▲ 72.6%

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
January93.3%72.0%▼ 22.9%
February96.4%95.5%▼ 1.0%
March89.3%88.9%▼ 0.4%
April84.6%76.9%▼ 9.1%
May50.0%83.6%▲ 67.3%
June50.0%90.7%▲ 81.5%
July73.9%87.1%▲ 17.8%
August65.0%––
September88.2%––
October90.0%–in progress
November85.7%––
December74.1%––
Year-to-date average (Jan–Jul)76.8%85.0%▲ 10.6%

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–
March00–
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December1––
Year to date (Jan–Jul)00

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 99.8% 604
  • Cancelled 0.2% 1

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026

On time, leg by leg

  1. LAX–SMF284 88.0%
  2. DTW–ELM155 75.5%
  3. AUS–IND55 89.1%
  4. IND–AUS49 87.8%
  5. RST–MSP31 90.3%
  6. MSP–RST31 83.9%

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 12 12 100.0% 0
November 2024 16 16 93.8% 0
December 2024 26 26 92.3% 0
January 2025 30 30 93.3% 0
February 2025 28 28 96.4% 0
March 2025 28 28 89.3% 0
April 2025 26 26 84.6% 0
May 2025 4 4 50.0% 0
June 2025 18 18 50.0% 0
July 2025 23 23 73.9% 0
August 2025 20 20 65.0% 0
September 2025 17 17 88.2% 0
October 2025 30 30 90.0% 0
November 2025 28 28 85.7% 0
December 2025 28 27 74.1% 1
January 2026 25 25 72.0% 0
February 2026 22 22 95.5% 0
March 2026 27 27 88.9% 0
April 2026 26 26 76.9% 0
May 2026 55 55 83.6% 0
June 2026 54 54 90.7% 0
July 2026 62 62 87.1% 0

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