OO5251

OO5251 (SkyWest Airlines) is a multi-stop service on 16 routes, busiest Chicago to Asheville. Of 603 departures recorded from October 2024 to July 2026, 76.4% 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
January2631▲ 19.2%
February2428▲ 16.7%
March31310.0%
April30300.0%
May3127▼ 12.9%
June3021▼ 30.0%
July3122▼ 29.0%
August31––
September29––
October24–in progress
November29––
December31––
Year to date (Jan–Jul)203190▼ 6.4%

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
January80.8%90.3%▲ 11.8%
February79.2%77.8%▼ 1.8%
March46.7%73.3%▲ 57.1%
April80.0%60.0%▼ 25.0%
May87.1%55.6%▼ 36.2%
June73.3%76.2%▲ 3.9%
July44.8%95.5%▲ 112.9%
August66.7%––
September100.0%––
October87.5%–in progress
November86.4%––
December82.8%––
Year-to-date average (Jan–Jul)70.3%75.5%▲ 7.5%

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–
February01–
March110.0%
April00–
May00–
June00–
July20▼ 100.0%
August1––
September0––
October0–in progress
November7––
December2––
Year to date (Jan–Jul)32▼ 33.3%

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 97.5% 588
  • Cancelled 2.5% 15

Share of all recorded flights in the period, all legs. · Oct 18, 2024 → Jul 31, 2026

On time, leg by leg

  1. ORD–AVL73 66.7%
  2. ORD–XNA72 83.3%
  3. DEN–SLC69 84.1%
  4. DEN–OMA50 86.0%
  5. EGE–DEN45 74.4%
  6. EGE–SFO37 91.9%
  7. ASE–DEN37 91.9%
  8. LIT–ORD36 78.6%

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

Legs flown under this number

11
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 8 8 100.0% 0
November 2024 29 29 79.3% 0
December 2024 29 29 82.8% 0
January 2025 26 26 80.8% 0
February 2025 24 24 79.2% 0
March 2025 31 30 46.7% 1
April 2025 30 30 80.0% 0
May 2025 31 31 87.1% 0
June 2025 30 30 73.3% 0
July 2025 31 29 44.8% 2
August 2025 31 30 66.7% 1
September 2025 29 29 100.0% 0
October 2025 24 24 87.5% 0
November 2025 29 22 86.4% 7
December 2025 31 29 82.8% 2
January 2026 31 31 90.3% 0
February 2026 28 27 77.8% 1
March 2026 31 30 73.3% 1
April 2026 30 30 60.0% 0
May 2026 27 27 55.6% 0
June 2026 21 21 76.2% 0
July 2026 22 22 95.5% 0

How to read this chart

Loading the guide…