OO5905

OO5905 (SkyWest Airlines) is a multi-stop service on 5 routes, busiest Chicago to Montrose. Of 258 departures recorded from October 2024 to July 2026, 79.5% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

Months without data are left blank.

The most recent periods16 periods
PeriodDepartures 2025Departures 2026Change vs last year
January–13–
February–20–
March1231▲ 158.3%
April125▼ 58.3%
May129▼ 25.0%
June821▲ 162.5%
July1022▲ 120.0%
August9––
September7––
October––in progress
November2––
December14––

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

Months without data are left blank.

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods15 periods
PeriodOn time 2025On time 2026Change vs last year
January–76.9%–
February–75.0%–
March81.8%72.4%▼ 11.5%
April66.7%60.0%▼ 10.0%
May75.0%66.7%▼ 11.1%
June75.0%85.7%▲ 14.3%
July80.0%86.4%▲ 7.9%
August100.0%––
September71.4%––
October––in progress
November–––
December78.6%––

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods16 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January–0–
February–0–
March12▲ 100.0%
April00–
May00–
June00–
July00–
August0––
September0––
October––in progress
November2––
December0––

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 98.1% 253
  • Cancelled 1.9% 5

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

On time, leg by leg

  1. ORD–MTJ171 79.3%
  2. SFO–SBA51 86.3%
  3. SGF–ORD33 71.9%

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

Legs flown under this number

3
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 75.0% 0
November 2024 30 30 93.3% 0
December 2024 1 1 100.0% 0
March 2025 12 11 81.8% 1
April 2025 12 12 66.7% 0
May 2025 12 12 75.0% 0
June 2025 8 8 75.0% 0
July 2025 10 10 80.0% 0
August 2025 9 9 100.0% 0
September 2025 7 7 71.4% 0
November 2025 2 0 — 2
December 2025 14 14 78.6% 0
January 2026 13 13 76.9% 0
February 2026 20 20 75.0% 0
March 2026 31 29 72.4% 2
April 2026 5 5 60.0% 0
May 2026 9 9 66.7% 0
June 2026 21 21 85.7% 0
July 2026 22 22 86.4% 0

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