OO4958

OO4958 (SkyWest Airlines) is a multi-stop service on 25 routes, busiest Dallas-Fort Worth to San Angelo. Of 921 departures recorded from October 2024 to July 2026, 68.4% 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
January622▼ 96.8%
February5646▼ 17.9%
March62620.0%
April6036▼ 40.0%
May3342▲ 27.3%
June3060▲ 100.0%
July3162▲ 100.0%
August21––
September29––
October57–in progress
November32––
December9––
Year to date (Jan–Jul)334310▼ 7.2%

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
January78.0%100.0%▲ 28.3%
February47.3%54.4%▲ 15.0%
March67.9%55.7%▼ 17.9%
April67.2%70.6%▲ 5.0%
May77.4%75.0%▼ 3.1%
June73.3%61.7%▼ 15.9%
July67.7%62.9%▼ 7.1%
August50.0%––
September96.6%––
October69.1%–in progress
November75.0%––
December66.7%––
Year-to-date average (Jan–Jul)68.4%68.6%▲ 0.3%

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
January30▼ 100.0%
February10▼ 100.0%
March61▼ 83.3%
April220.0%
May220.0%
June00–
July00–
August3––
September0––
October2–in progress
November0––
December0––
Year to date (Jan–Jul)145▼ 64.3%

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 96.9% 892
  • Cancelled 3.1% 29

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

On time, leg by leg

  1. DFW–SJT151 68.1%
  2. SJT–DFW149 67.4%
  3. LAX–DEN72 69.4%
  4. DEN–LAX72 59.7%
  5. ORD–MHK62 72.6%
  6. ORD–LEX44 75.6%
  7. ORD–MKE37 75.0%
  8. MHK–DFW33 97.0%

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

Legs flown under this number

10
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 40 40 77.5% 0
November 2024 33 33 84.9% 0
December 2024 56 51 76.5% 5
January 2025 62 59 78.0% 3
February 2025 56 55 47.3% 1
March 2025 62 56 67.9% 6
April 2025 60 58 67.2% 2
May 2025 33 31 77.4% 2
June 2025 30 30 73.3% 0
July 2025 31 31 67.7% 0
August 2025 21 18 50.0% 3
September 2025 29 29 96.6% 0
October 2025 57 55 69.1% 2
November 2025 32 32 75.0% 0
December 2025 9 9 66.7% 0
January 2026 2 2 100.0% 0
February 2026 46 46 54.4% 0
March 2026 62 61 55.7% 1
April 2026 36 34 70.6% 2
May 2026 42 40 75.0% 2
June 2026 60 60 61.7% 0
July 2026 62 62 62.9% 0

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