OO4749

OO4749 (SkyWest Airlines) is a multi-stop service on 22 routes, busiest Detroit to Chicago. Of 612 departures recorded from October 2024 to July 2026, 84.3% 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
January31310.0%
February1726▲ 52.9%
March2721▼ 22.2%
April30300.0%
May3031▲ 3.3%
June30300.0%
July3126▼ 16.1%
August31––
September30––
October31–in progress
November28––
December22––
Year to date (Jan–Jul)196195▼ 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
January74.2%87.1%▲ 17.4%
February94.1%84.6%▼ 10.1%
March81.5%68.4%▼ 16.0%
April83.3%89.3%▲ 7.2%
May93.3%80.0%▼ 14.3%
June100.0%70.0%▼ 30.0%
July76.7%83.3%▲ 8.7%
August83.9%––
September100.0%––
October87.1%–in progress
November87.5%––
December66.7%––
Year-to-date average (Jan–Jul)86.2%80.4%▼ 6.7%

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–
April02–
May01–
June00–
July12▲ 100.0%
August0––
September0––
October0–in progress
November4––
December1––
Year to date (Jan–Jul)17▲ 600.0%

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% 599
  • Cancelled 2.1% 13

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

On time, leg by leg

  1. DTW–ORD264 89.1%
  2. DAY–ORD56 88.9%
  3. AUS–IAH34 88.2%
  4. DEN–PIA32 84.4%

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 84.2% 0
November 2024 29 29 86.2% 0
December 2024 31 31 87.1% 0
January 2025 31 31 74.2% 0
February 2025 17 17 94.1% 0
March 2025 27 27 81.5% 0
April 2025 30 30 83.3% 0
May 2025 30 30 93.3% 0
June 2025 30 30 100.0% 0
July 2025 31 30 76.7% 1
August 2025 31 31 83.9% 0
September 2025 30 30 100.0% 0
October 2025 31 31 87.1% 0
November 2025 28 24 87.5% 4
December 2025 22 21 66.7% 1
January 2026 31 31 87.1% 0
February 2026 26 26 84.6% 0
March 2026 21 19 68.4% 2
April 2026 30 28 89.3% 2
May 2026 31 30 80.0% 1
June 2026 30 30 70.0% 0
July 2026 26 24 83.3% 2

How to read this chart

Loading the guide…