OO4685
OO4685 (SkyWest Airlines) is a multi-stop service on 9 routes, busiest Duluth to Chicago. Of 634 departures recorded from October 2024 to July 2026, 70.3% left on time, according to the US BTS.
- On-time departures70.3%of 634 flights
- Average delay27.8 min
- July 202631▲ 0.0%vs July 2025
- Cancelled3.8%
- Legs flown under this number9
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 | 28 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| 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 | 67.7% | 53.3% | ▼ 21.3% |
| February | 67.9% | 66.7% | ▼ 1.8% |
| March | 67.7% | 59.3% | ▼ 12.5% |
| April | 72.4% | 55.6% | ▼ 23.3% |
| May | 80.7% | 83.9% | ▲ 4.0% |
| June | 76.7% | 75.0% | ▼ 2.2% |
| July | 60.0% | 60.7% | ▲ 1.2% |
| August | 71.4% | – | – |
| September | 83.3% | – | – |
| October | 85.7% | – | in progress |
| November | 59.3% | – | – |
| December | 48.3% | – | – |
| Year-to-date average (Jan–Jul) | 70.4% | 64.9% | ▼ 7.8% |
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 | 1 | – |
| February | 0 | 1 | – |
| March | 0 | 4 | – |
| April | 1 | 3 | ▲ 200.0% |
| May | 0 | 0 | – |
| June | 0 | 2 | – |
| July | 1 | 3 | ▲ 200.0% |
| August | 3 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 3 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 2 | 14 | ▲ 600.0% |
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 96.2% 610
- Cancelled 3.8% 24
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DLH ORD Duluth International Airport – Chicago O'Hare International Airport | 639 | 29.5 min | 69.0% | 533 |
| ORD OKC Chicago O'Hare International Airport – OKC Will Rogers World Airport | 1,114 | -0.7 min | 91.7% | 36 |
| ATW ORD Appleton International Airport – Chicago O'Hare International Airport | 258 | 39.0 min | 53.6% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 6 | 6 | 100.0% | 0 |
| November 2024 | 29 | 29 | 89.7% | 0 |
| December 2024 | 25 | 25 | 84.0% | 0 |
| January 2025 | 31 | 31 | 67.7% | 0 |
| February 2025 | 28 | 28 | 67.9% | 0 |
| March 2025 | 31 | 31 | 67.7% | 0 |
| April 2025 | 30 | 29 | 72.4% | 1 |
| May 2025 | 31 | 31 | 80.7% | 0 |
| June 2025 | 30 | 30 | 76.7% | 0 |
| July 2025 | 31 | 30 | 60.0% | 1 |
| August 2025 | 31 | 28 | 71.4% | 3 |
| September 2025 | 30 | 30 | 83.3% | 0 |
| October 2025 | 28 | 28 | 85.7% | 0 |
| November 2025 | 30 | 27 | 59.3% | 3 |
| December 2025 | 31 | 29 | 48.3% | 2 |
| January 2026 | 31 | 30 | 53.3% | 1 |
| February 2026 | 28 | 27 | 66.7% | 1 |
| March 2026 | 31 | 27 | 59.3% | 4 |
| April 2026 | 30 | 27 | 55.6% | 3 |
| May 2026 | 31 | 31 | 83.9% | 0 |
| June 2026 | 30 | 28 | 75.0% | 2 |
| July 2026 | 31 | 28 | 60.7% | 3 |