OO4792
OO4792 (SkyWest Airlines) is a multi-stop service on 18 routes, busiest Chicago to Roanoke. Of 632 departures recorded from October 2024 to July 2026, 80.7% left on time, according to the US BTS.
- On-time departures80.7%of 632 flights
- Average delay12.4 min
- July 202631▲ 3.3%vs July 2025
- Cancelled2.4%
- Legs flown under this number18
according to the US BTS · Oct 12, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | 30 | ▼ 3.2% |
| February | 28 | 26 | ▼ 7.1% |
| March | 30 | 31 | ▲ 3.3% |
| April | 30 | 29 | ▼ 3.3% |
| May | 25 | 26 | ▲ 4.0% |
| June | 30 | 27 | ▼ 10.0% |
| July | 30 | 31 | ▲ 3.3% |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 28 | – | – |
| Year to date (Jan–Jul) | 204 | 200 | ▼ 2.0% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 83.3% | 66.7% | ▼ 20.0% |
| February | 77.8% | 100.0% | ▲ 28.6% |
| March | 76.7% | 86.7% | ▲ 13.0% |
| April | 90.0% | 89.3% | ▼ 0.8% |
| May | 95.8% | 73.1% | ▼ 23.7% |
| June | 86.7% | 70.8% | ▼ 18.3% |
| July | 53.3% | 77.8% | ▲ 45.8% |
| August | 82.8% | – | – |
| September | 90.0% | – | – |
| October | 83.9% | – | in progress |
| November | 96.6% | – | – |
| December | 82.1% | – | – |
| Year-to-date average (Jan–Jul) | 80.5% | 80.6% | ▲ 0.1% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 1 | – |
| April | 0 | 1 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 3 | – |
| July | 0 | 4 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 9 | ▲ 200.0% |
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 97.6% 617
- Cancelled 2.4% 15
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD ROA Chicago O'Hare International Airport – Roanoke–Blacksburg Regional Airport | 853 | 16.6 min | 76.4% | 279 |
| IAH TUL George Bush Intercontinental Airport – Tulsa International Airport | 693 | 7.8 min | 77.3% | 45 |
| IAH CLT George Bush Intercontinental Airport – Charlotte Douglas International Airport | 1,467 | 1.9 min | 90.2% | 42 |
| DEN BOI Denver International Airport – Boise Air Terminal/Gowen Field | 1,042 | 14.1 min | 75.7% | 37 |
| FAT DEN Fresno Yosemite International Airport – Denver International Airport | 1,355 | -1.9 min | 97.2% | 36 |
| ORD SCE Chicago O'Hare International Airport – State College Regional Airport | 847 | 16.6 min | 71.9% | 35 |
| DEN COS Denver International Airport – City of Colorado Springs Municipal Airport | 117 | 4.4 min | 91.2% | 35 |
| DEN PIA Denver International Airport – General Wayne A. Downing Peoria International Airport | 1,273 | -0.6 min | 90.3% | 32 |
| SGF ORD Springfield Branson National Airport – Chicago O'Hare International Airport | 705 | 7.6 min | 77.8% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 29 | 29 | 75.9% | 0 |
| December 2024 | 31 | 29 | 55.2% | 2 |
| January 2025 | 31 | 30 | 83.3% | 1 |
| February 2025 | 28 | 27 | 77.8% | 1 |
| March 2025 | 30 | 30 | 76.7% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 25 | 24 | 95.8% | 1 |
| June 2025 | 30 | 30 | 86.7% | 0 |
| July 2025 | 30 | 30 | 53.3% | 0 |
| August 2025 | 30 | 29 | 82.8% | 1 |
| September 2025 | 30 | 30 | 90.0% | 0 |
| October 2025 | 31 | 31 | 83.9% | 0 |
| November 2025 | 29 | 29 | 96.6% | 0 |
| December 2025 | 28 | 28 | 82.1% | 0 |
| January 2026 | 30 | 30 | 66.7% | 0 |
| February 2026 | 26 | 26 | 100.0% | 0 |
| March 2026 | 31 | 30 | 86.7% | 1 |
| April 2026 | 29 | 28 | 89.3% | 1 |
| May 2026 | 26 | 26 | 73.1% | 0 |
| June 2026 | 27 | 24 | 70.8% | 3 |
| July 2026 | 31 | 27 | 77.8% | 4 |