OO4725
OO4725 (SkyWest Airlines) is a multi-stop service on 22 routes, busiest Chicago to Madison. Of 608 departures recorded from October 2024 to July 2026, 82.9% left on time, according to the US BTS.
- On-time departures82.9%of 608 flights
- Average delay12.6 min
- July 202631▲ 0.0%vs July 2025
- Cancelled2.6%
- Legs flown under this number22
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 | 20 | 28 | ▲ 40.0% |
| March | 27 | 31 | ▲ 14.8% |
| April | 29 | 30 | ▲ 3.4% |
| May | 22 | 31 | ▲ 40.9% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 16 | – | – |
| Year to date (Jan–Jul) | 190 | 212 | ▲ 11.6% |
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% | 76.7% | ▲ 13.2% |
| February | 75.0% | 60.7% | ▼ 19.1% |
| March | 85.2% | 68.0% | ▼ 20.2% |
| April | 86.2% | 81.5% | ▼ 5.5% |
| May | 77.3% | 87.1% | ▲ 12.7% |
| June | 93.3% | 93.3% | 0.0% |
| July | 96.8% | 77.4% | ▼ 20.0% |
| August | 75.0% | – | – |
| September | 96.7% | – | – |
| October | 90.3% | – | in progress |
| November | 88.5% | – | – |
| December | 81.3% | – | – |
| Year-to-date average (Jan–Jul) | 83.1% | 77.8% | ▼ 6.3% |
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 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 6 | – |
| April | 0 | 3 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 3 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 3 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 10 |
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 97.4% 592
- Cancelled 2.6% 16
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD MSN Chicago O'Hare International Airport – Dane County Regional Truax Field | 175 | 18.7 min | 78.9% | 231 |
| COS DEN City of Colorado Springs Municipal Airport – Denver International Airport | 117 | 5.3 min | 87.5% | 72 |
| BIL DEN Billings Logan International Airport – Denver International Airport | 733 | -6.7 min | 97.3% | 37 |
| EUG SFO Eugene Airport – San Francisco International Airport | 727 | 9.8 min | 97.1% | 35 |
| DEN BIL Denver International Airport – Billings Logan International Airport | 733 | 8.1 min | 85.7% | 35 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 8 | 8 | 100.0% | 0 |
| November 2024 | 30 | 30 | 83.3% | 0 |
| December 2024 | 31 | 31 | 87.1% | 0 |
| January 2025 | 31 | 31 | 67.7% | 0 |
| February 2025 | 20 | 20 | 75.0% | 0 |
| March 2025 | 27 | 27 | 85.2% | 0 |
| April 2025 | 29 | 29 | 86.2% | 0 |
| May 2025 | 22 | 22 | 77.3% | 0 |
| June 2025 | 30 | 30 | 93.3% | 0 |
| July 2025 | 31 | 31 | 96.8% | 0 |
| August 2025 | 31 | 28 | 75.0% | 3 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 31 | 31 | 90.3% | 0 |
| November 2025 | 29 | 26 | 88.5% | 3 |
| December 2025 | 16 | 16 | 81.3% | 0 |
| January 2026 | 31 | 30 | 76.7% | 1 |
| February 2026 | 28 | 28 | 60.7% | 0 |
| March 2026 | 31 | 25 | 68.0% | 6 |
| April 2026 | 30 | 27 | 81.5% | 3 |
| May 2026 | 31 | 31 | 87.1% | 0 |
| June 2026 | 30 | 30 | 93.3% | 0 |
| July 2026 | 31 | 31 | 77.4% | 0 |