OO4651
OO4651 (SkyWest Airlines) is a multi-stop service on 19 routes, busiest Moline to Chicago. Of 645 departures recorded from October 2024 to July 2026, 81.2% left on time, according to the US BTS.
- On-time departures81.2%of 645 flights
- Average delay15.8 min
- July 202631▲ 0.0%vs July 2025
- Cancelled3.7%
- Legs flown under this number19
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 | 40 | ▲ 29.0% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 23 | – | – |
| September | 26 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 212 | 221 | ▲ 4.2% |
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 | 89.3% | 74.2% | ▼ 16.9% |
| February | 69.6% | 78.6% | ▲ 12.9% |
| March | 69.0% | 72.4% | ▲ 5.0% |
| April | 74.1% | 69.2% | ▼ 6.5% |
| May | 87.1% | 85.0% | ▼ 2.4% |
| June | 86.2% | 86.7% | ▲ 0.5% |
| July | 80.7% | 93.6% | ▲ 16.0% |
| August | 95.5% | – | – |
| September | 88.5% | – | – |
| October | 90.3% | – | in progress |
| November | 77.8% | – | – |
| December | 58.1% | – | – |
| Year-to-date average (Jan–Jul) | 79.4% | 79.9% | ▲ 0.7% |
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 | 3 | 0 | ▼ 100.0% |
| February | 5 | 0 | ▼ 100.0% |
| March | 2 | 2 | 0.0% |
| April | 3 | 4 | ▲ 33.3% |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 3 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 14 | 6 | ▼ 57.1% |
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 96.3% 621
- Cancelled 3.7% 24
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MLI ORD Quad City International Airport – Chicago O'Hare International Airport | 224 | 22.7 min | 77.4% | 316 |
| AVL ORD Asheville Regional Airport – Chicago O'Hare International Airport | 863 | 10.6 min | 90.1% | 71 |
| CRP IAH Corpus Christi International Airport – George Bush Intercontinental Airport | 324 | 6.8 min | 88.4% | 43 |
| ASE SFO Aspen-Pitkin County Airport (Sardy Field) – San Francisco International Airport | 1,361 | 22.2 min | 65.4% | 33 |
| DEN BIL Denver International Airport – Billings Logan International Airport | 733 | 12.5 min | 72.4% | 32 |
| BTR IAH Baton Rouge Metropolitan Airport – George Bush Intercontinental Airport | 407 | 4.3 min | 86.2% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 79.0% | 0 |
| November 2024 | 29 | 29 | 93.1% | 0 |
| December 2024 | 23 | 23 | 87.0% | 0 |
| January 2025 | 31 | 28 | 89.3% | 3 |
| February 2025 | 28 | 23 | 69.6% | 5 |
| March 2025 | 31 | 29 | 69.0% | 2 |
| April 2025 | 30 | 27 | 74.1% | 3 |
| May 2025 | 31 | 31 | 87.1% | 0 |
| June 2025 | 30 | 29 | 86.2% | 1 |
| July 2025 | 31 | 31 | 80.7% | 0 |
| August 2025 | 23 | 22 | 95.5% | 1 |
| September 2025 | 26 | 26 | 88.5% | 0 |
| October 2025 | 31 | 31 | 90.3% | 0 |
| November 2025 | 30 | 27 | 77.8% | 3 |
| December 2025 | 31 | 31 | 58.1% | 0 |
| January 2026 | 31 | 31 | 74.2% | 0 |
| February 2026 | 28 | 28 | 78.6% | 0 |
| March 2026 | 31 | 29 | 72.4% | 2 |
| April 2026 | 30 | 26 | 69.2% | 4 |
| May 2026 | 40 | 40 | 85.0% | 0 |
| June 2026 | 30 | 30 | 86.7% | 0 |
| July 2026 | 31 | 31 | 93.6% | 0 |