OO4645
OO4645 (SkyWest Airlines) is a multi-stop service on 7 routes, busiest Chicago to Fort Wayne. Of 655 departures recorded from October 2024 to July 2026, 75.6% left on time, according to the US BTS.
- On-time departures75.6%of 655 flights
- Average delay18.4 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.8%
- Legs flown under this number7
Recorded departures by month
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 | 31 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 212 | 212 | 0.0% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
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 | 71.0% | 61.3% | ▼ 13.6% |
| February | 75.0% | 85.7% | ▲ 14.3% |
| March | 53.3% | 89.3% | ▲ 67.4% |
| April | 73.3% | 62.1% | ▼ 15.4% |
| May | 90.3% | 73.3% | ▼ 18.8% |
| June | 70.0% | 60.0% | ▼ 14.3% |
| July | 80.7% | 70.0% | ▼ 13.2% |
| August | 93.3% | – | – |
| September | 96.6% | – | – |
| October | 83.9% | – | in progress |
| November | 86.2% | – | – |
| December | 40.7% | – | – |
| Year-to-date average (Jan–Jul) | 73.4% | 71.7% | ▼ 2.3% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 1 | 3 | ▲ 200.0% |
| April | 0 | 1 | – |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 1 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 1 | 6 | ▲ 500.0% |
according to the US BTS · October 2024 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 98.2% 643
- Cancelled 1.8% 12
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD FWA Chicago O'Hare International Airport – Fort Wayne International Airport | 252 | 15.3 min | 77.1% | 531 |
| ATW ORD Appleton International Airport – Chicago O'Hare International Airport | 258 | 39.8 min | 72.3% | 48 |
| DEN MFR Denver International Airport – Rogue Valley International-Medford Airport | 1,547 | 14.0 min | 75.7% | 37 |
| COS DEN City of Colorado Springs Municipal Airport – Denver International Airport | 117 | 41.3 min | 55.6% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 30 | 30 | 83.3% | 0 |
| December 2024 | 30 | 30 | 76.7% | 0 |
| January 2025 | 31 | 31 | 71.0% | 0 |
| February 2025 | 28 | 28 | 75.0% | 0 |
| March 2025 | 31 | 30 | 53.3% | 1 |
| April 2025 | 30 | 30 | 73.3% | 0 |
| May 2025 | 31 | 31 | 90.3% | 0 |
| June 2025 | 30 | 30 | 70.0% | 0 |
| July 2025 | 31 | 31 | 80.7% | 0 |
| August 2025 | 31 | 30 | 93.3% | 1 |
| September 2025 | 30 | 29 | 96.6% | 1 |
| October 2025 | 31 | 31 | 83.9% | 0 |
| November 2025 | 30 | 29 | 86.2% | 1 |
| December 2025 | 29 | 27 | 40.7% | 2 |
| January 2026 | 31 | 31 | 61.3% | 0 |
| February 2026 | 28 | 28 | 85.7% | 0 |
| March 2026 | 31 | 28 | 89.3% | 3 |
| April 2026 | 30 | 29 | 62.1% | 1 |
| May 2026 | 31 | 30 | 73.3% | 1 |
| June 2026 | 30 | 30 | 60.0% | 0 |
| July 2026 | 31 | 30 | 70.0% | 1 |