OO4789
OO4789 (SkyWest Airlines) is a multi-stop service on 11 routes, busiest Chicago to Fargo. Of 643 departures recorded from October 2024 to July 2026, 70.7% left on time, according to the US BTS.
- On-time departures70.7%of 643 flights
- Average delay27.9 min
- July 202631▲ 3.3%vs July 2025
- Cancelled2.8%
- Legs flown under this number11
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 | 30 | 31 | ▲ 3.3% |
| June | 24 | 30 | ▲ 25.0% |
| July | 30 | 31 | ▲ 3.3% |
| August | 26 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 204 | 212 | ▲ 3.9% |
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 | 66.7% | 61.3% | ▼ 8.1% |
| February | 74.1% | 96.4% | ▲ 30.2% |
| March | 71.0% | 87.1% | ▲ 22.7% |
| April | 72.4% | 76.7% | ▲ 5.9% |
| May | 83.3% | 83.9% | ▲ 0.6% |
| June | 50.0% | 66.7% | ▲ 33.3% |
| July | 65.5% | 72.4% | ▲ 10.5% |
| August | 62.5% | – | – |
| September | 76.7% | – | – |
| October | 77.4% | – | in progress |
| November | 65.4% | – | – |
| December | 57.1% | – | – |
| Year-to-date average (Jan–Jul) | 69.0% | 77.8% | ▲ 12.7% |
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 | 1 | 0 | ▼ 100.0% |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 0 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 3 | – |
| July | 1 | 2 | ▲ 100.0% |
| August | 2 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 3 | – | – |
| December | 3 | – | – |
| Year to date (Jan–Jul) | 4 | 5 | ▲ 25.0% |
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 97.2% 625
- Cancelled 2.8% 18
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 FAR Chicago O'Hare International Airport – Hector International Airport | 895 | 36.2 min | 65.6% | 436 |
| DEN MFR Denver International Airport – Rogue Valley International-Medford Airport | 1,547 | 10.7 min | 82.9% | 82 |
| DEN XWA Denver International Airport – Williston Basin International Airport | 937 | 6.9 min | 78.1% | 32 |
| MLI ORD Quad City International Airport – Chicago O'Hare International Airport | 224 | 9.1 min | 87.1% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 65.0% | 0 |
| November 2024 | 29 | 29 | 62.1% | 0 |
| December 2024 | 31 | 30 | 53.3% | 1 |
| January 2025 | 31 | 30 | 66.7% | 1 |
| February 2025 | 28 | 27 | 74.1% | 1 |
| March 2025 | 31 | 31 | 71.0% | 0 |
| April 2025 | 30 | 29 | 72.4% | 1 |
| May 2025 | 30 | 30 | 83.3% | 0 |
| June 2025 | 24 | 24 | 50.0% | 0 |
| July 2025 | 30 | 29 | 65.5% | 1 |
| August 2025 | 26 | 24 | 62.5% | 2 |
| September 2025 | 30 | 30 | 76.7% | 0 |
| October 2025 | 31 | 31 | 77.4% | 0 |
| November 2025 | 29 | 26 | 65.4% | 3 |
| December 2025 | 31 | 28 | 57.1% | 3 |
| January 2026 | 31 | 31 | 61.3% | 0 |
| February 2026 | 28 | 28 | 96.4% | 0 |
| March 2026 | 31 | 31 | 87.1% | 0 |
| April 2026 | 30 | 30 | 76.7% | 0 |
| May 2026 | 31 | 31 | 83.9% | 0 |
| June 2026 | 30 | 27 | 66.7% | 3 |
| July 2026 | 31 | 29 | 72.4% | 2 |