OO4937

OO4937 (SkyWest Airlines) is a multi-stop service on 21 routes, busiest Dallas-Fort Worth to Yuma. Of 577 departures recorded from October 2024 to July 2026, 70.8% 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
January312▼ 93.5%
February4428▼ 36.4%
March1431▲ 121.4%
April30300.0%
May3130▼ 3.2%
June3025▼ 16.7%
July291▼ 96.6%
August31––
September9––
October27–in progress
November58––
December36––
Year to date (Jan–Jul)209147▼ 29.7%

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
January90.0%50.0%▼ 44.4%
February54.6%85.7%▲ 57.1%
March41.7%69.0%▲ 65.5%
April73.3%65.5%▼ 10.7%
May71.0%86.2%▲ 21.5%
June43.3%80.0%▲ 84.6%
July35.7%100.0%▲ 180.0%
August63.3%––
September88.9%––
October51.9%–in progress
November86.0%––
December83.3%––
Year-to-date average (Jan–Jul)58.5%76.6%▲ 31.0%

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%
February00–
March220.0%
April01–
May01–
June00–
July10▼ 100.0%
August1––
September0––
October0–in progress
November1––
December0––
Year to date (Jan–Jul)440.0%

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 97.9% 565
  • Cancelled 2.1% 12

Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 1, 2026

On time, leg by leg

  1. DFW–YUM75 73.0%
  2. PVU–DFW70 88.1%
  3. MKE–ORD65 74.2%
  4. TVC–ORD60 37.3%
  5. PHX–OMA46 89.1%
  6. OMA–PHX45 86.4%
  7. DFW–OKC36 80.6%
  8. ORD–MKE31 77.4%

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

Legs flown under this number

8
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 3 3 100.0% 0
November 2024 26 26 73.1% 0
December 2024 31 29 86.2% 2
January 2025 31 30 90.0% 1
February 2025 44 44 54.6% 0
March 2025 14 12 41.7% 2
April 2025 30 30 73.3% 0
May 2025 31 31 71.0% 0
June 2025 30 30 43.3% 0
July 2025 29 28 35.7% 1
August 2025 31 30 63.3% 1
September 2025 9 9 88.9% 0
October 2025 27 27 51.9% 0
November 2025 58 57 86.0% 1
December 2025 36 36 83.3% 0
January 2026 2 2 50.0% 0
February 2026 28 28 85.7% 0
March 2026 31 29 69.0% 2
April 2026 30 29 65.5% 1
May 2026 30 29 86.2% 1
June 2026 25 25 80.0% 0
July 2026 1 1 100.0% 0

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