OO5611

OO5611 (SkyWest Airlines) is a multi-stop service on 11 routes, busiest Rapid City to Denver. Of 573 departures recorded from October 2024 to July 2026, 78.5% 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
January2225▲ 13.6%
February2223▲ 4.5%
March3031▲ 3.3%
April3029▼ 3.3%
May3116▼ 48.4%
June3011▼ 63.3%
July29290.0%
August31––
September30––
October31–in progress
November29––
December30––
Year to date (Jan–Jul)194164▼ 15.5%

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
January86.4%96.0%▲ 11.2%
February94.7%91.3%▼ 3.6%
March80.0%90.3%▲ 12.9%
April66.7%93.1%▲ 39.6%
May56.7%87.5%▲ 54.4%
June41.4%54.6%▲ 31.8%
July53.6%92.6%▲ 72.8%
August63.3%––
September70.0%––
October80.7%–in progress
November93.1%––
December83.3%––
Year-to-date average (Jan–Jul)68.5%86.5%▲ 26.3%

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–
February30▼ 100.0%
March00–
April00–
May10▼ 100.0%
June10▼ 100.0%
July12▲ 100.0%
August1––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)62▼ 66.7%

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 98.3% 563
  • Cancelled 1.7% 10

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

On time, leg by leg

  1. RAP–DEN271 67.8%
  2. PDX–SFO116 88.8%
  3. DEN–DRO51 86.3%
  4. MFR–SFO36 91.4%
  5. ORD–MBS32 78.1%

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

Legs flown under this number

5
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 90.0% 0
November 2024 30 30 93.3% 0
December 2024 14 13 69.2% 1
January 2025 22 22 86.4% 0
February 2025 22 19 94.7% 3
March 2025 30 30 80.0% 0
April 2025 30 30 66.7% 0
May 2025 31 30 56.7% 1
June 2025 30 29 41.4% 1
July 2025 29 28 53.6% 1
August 2025 31 30 63.3% 1
September 2025 30 30 70.0% 0
October 2025 31 31 80.7% 0
November 2025 29 29 93.1% 0
December 2025 30 30 83.3% 0
January 2026 25 25 96.0% 0
February 2026 23 23 91.3% 0
March 2026 31 31 90.3% 0
April 2026 29 29 93.1% 0
May 2026 16 16 87.5% 0
June 2026 11 11 54.6% 0
July 2026 29 27 92.6% 2

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