OO4673

OO4673 (SkyWest Airlines) is a multi-stop service on 20 routes, busiest Detroit to Chicago. Of 657 departures recorded from October 2024 to July 2026, 80.2% 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
January3031▲ 3.3%
February28280.0%
March31310.0%
April30300.0%
May31310.0%
June30300.0%
July31310.0%
August31––
September30––
October31–in progress
November30––
December31––
Year to date (Jan–Jul)211212▲ 0.5%

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
January63.3%67.7%▲ 7.0%
February75.0%85.7%▲ 14.3%
March87.1%75.9%▼ 12.9%
April73.3%79.3%▲ 8.2%
May83.9%76.7%▼ 8.6%
June80.0%85.7%▲ 7.1%
July90.3%80.0%▼ 11.4%
August74.2%––
September80.0%––
October93.6%–in progress
November85.2%––
December67.7%––
Year-to-date average (Jan–Jul)79.0%78.7%▼ 0.4%

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–
March02–
April01–
May01–
June02–
July01–
August0––
September0––
October0–in progress
November3––
December0––
Year to date (Jan–Jul)07

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 98.5% 647
  • Cancelled 1.5% 10

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

On time, leg by leg

  1. DTW–ORD133 73.9%
  2. COS–DEN115 80.0%
  3. DEN–MTJ89 82.0%
  4. DEN–MSP68 85.3%
  5. BDL–ORD40 83.8%
  6. BZN–ORD37 83.8%
  7. ALB–ORD37 83.3%
  8. DEN–DRO32 75.0%

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 20 20 80.0% 0
November 2024 30 30 86.7% 0
December 2024 31 31 93.6% 0
January 2025 30 30 63.3% 0
February 2025 28 28 75.0% 0
March 2025 31 31 87.1% 0
April 2025 30 30 73.3% 0
May 2025 31 31 83.9% 0
June 2025 30 30 80.0% 0
July 2025 31 31 90.3% 0
August 2025 31 31 74.2% 0
September 2025 30 30 80.0% 0
October 2025 31 31 93.6% 0
November 2025 30 27 85.2% 3
December 2025 31 31 67.7% 0
January 2026 31 31 67.7% 0
February 2026 28 28 85.7% 0
March 2026 31 29 75.9% 2
April 2026 30 29 79.3% 1
May 2026 31 30 76.7% 1
June 2026 30 28 85.7% 2
July 2026 31 30 80.0% 1

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