OO5790

OO5790 (SkyWest Airlines) is a multi-stop service on 3 routes, busiest Chicago to Charleston. Of 584 departures recorded from October 2024 to July 2026, 67.0% 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%
February28280.0%
March3127▼ 12.9%
April2930▲ 3.4%
May3120▼ 35.5%
June3012▼ 60.0%
July3031▲ 3.3%
August31––
September30––
October24–in progress
November2––
December30––
Year to date (Jan–Jul)210179▼ 14.8%

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 periods18 periods
PeriodOn time 2025On time 2026Change vs last year
January69.0%78.6%▲ 13.9%
February70.4%60.7%▼ 13.7%
March63.3%58.3%▼ 7.9%
April75.0%46.4%▼ 38.1%
May71.0%50.0%▼ 29.5%
June73.3%100.0%▲ 36.4%
July50.0%86.7%▲ 73.3%
August44.8%––
September53.3%––
October79.2%–in progress
November–––
December58.6%––
Year-to-date average (Jan–Jul)67.4%68.7%▲ 1.9%

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
The most recent periods19 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January23▲ 50.0%
February10▼ 100.0%
March13▲ 200.0%
April12▲ 100.0%
May00–
June01–
July01–
August2––
September0––
October0–in progress
November2––
December1––
Year to date (Jan–Jul)510▲ 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 96.6% 564
  • Cancelled 3.4% 20

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

On time, leg by leg

  1. ORD–CRW541 65.2%
  2. COS–ORD37 88.6%

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

Legs flown under this number

2
RoutesDistance (km)Avg delay On timeDepartures
ORD CRW Chicago O'Hare International Airport – Yeager Airport 669 33.7 min 65.2% 541
COS ORD City of Colorado Springs Municipal Airport – Chicago O'Hare International Airport 1,463 5.7 min 88.6% 37
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 65.0% 0
November 2024 29 29 89.7% 0
December 2024 29 29 79.3% 0
January 2025 31 29 69.0% 2
February 2025 28 27 70.4% 1
March 2025 31 30 63.3% 1
April 2025 29 28 75.0% 1
May 2025 31 31 71.0% 0
June 2025 30 30 73.3% 0
July 2025 30 30 50.0% 0
August 2025 31 29 44.8% 2
September 2025 30 30 53.3% 0
October 2025 24 24 79.2% 0
November 2025 2 0 — 2
December 2025 30 29 58.6% 1
January 2026 31 28 78.6% 3
February 2026 28 28 60.7% 0
March 2026 27 24 58.3% 3
April 2026 30 28 46.4% 2
May 2026 20 20 50.0% 0
June 2026 12 11 100.0% 1
July 2026 31 30 86.7% 1

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