OO5638

OO5638 (SkyWest Airlines) is a multi-stop service on 8 routes, busiest Durango to Denver. Of 571 departures recorded from October 2024 to July 2026, 84.7% 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
January1823▲ 27.8%
February24240.0%
March31310.0%
April30300.0%
May3128▼ 9.7%
June306▼ 80.0%
July31310.0%
August31––
September30––
October31–in progress
November30––
December31––
Year to date (Jan–Jul)195173▼ 11.3%

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
January94.4%91.3%▼ 3.3%
February83.3%66.7%▼ 20.0%
March87.1%70.0%▼ 19.6%
April89.7%93.3%▲ 4.1%
May83.9%82.1%▼ 2.1%
June73.3%83.3%▲ 13.6%
July80.7%83.3%▲ 3.3%
August87.1%––
September90.0%––
October96.8%–in progress
November96.2%––
December90.3%––
Year-to-date average (Jan–Jul)84.6%81.4%▼ 3.8%

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–
March01–
April10▼ 100.0%
May00–
June00–
July01–
August0––
September0––
October0–in progress
November4––
December0––
Year to date (Jan–Jul)12▲ 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 98.4% 562
  • Cancelled 1.6% 9

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

On time, leg by leg

  1. DRO–DEN429 86.1%
  2. SFO–SMF48 76.1%
  3. PSP–DEN47 87.2%
  4. ORD–CLE36 82.9%

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

Legs flown under this number

4
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 19 19 79.0% 0
November 2024 28 26 73.1% 2
December 2024 3 3 100.0% 0
January 2025 18 18 94.4% 0
February 2025 24 24 83.3% 0
March 2025 31 31 87.1% 0
April 2025 30 29 89.7% 1
May 2025 31 31 83.9% 0
June 2025 30 30 73.3% 0
July 2025 31 31 80.7% 0
August 2025 31 31 87.1% 0
September 2025 30 30 90.0% 0
October 2025 31 31 96.8% 0
November 2025 30 26 96.2% 4
December 2025 31 31 90.3% 0
January 2026 23 23 91.3% 0
February 2026 24 24 66.7% 0
March 2026 31 30 70.0% 1
April 2026 30 30 93.3% 0
May 2026 28 28 82.1% 0
June 2026 6 6 83.3% 0
July 2026 31 30 83.3% 1

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