OO5999
OO5999 (SkyWest Airlines) is a multi-stop service on 5 routes, busiest Chicago to Oklahoma City. Of 350 departures recorded from October 2024 to July 2026, 81.2% left on time, according to the US BTS.
- On-time departures81.2%of 350 flights
- Average delay16.1 min
- July 202631▲ 82.4%vs July 2025
- Cancelled1.1%
- Legs flown under this number5
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 6 | 5 | ▼ 16.7% |
| February | – | – | – |
| March | 4 | – | – |
| April | 4 | 30 | ▲ 650.0% |
| May | 17 | 25 | ▲ 47.1% |
| June | 18 | 6 | ▼ 66.7% |
| July | 17 | 31 | ▲ 82.4% |
| August | 21 | – | – |
| September | 27 | – | – |
| October | 31 | – | in progress |
| November | 28 | – | – |
| December | 29 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 83.3% | 100.0% | ▲ 20.0% |
| February | – | – | – |
| March | 33.3% | – | – |
| April | 100.0% | 60.7% | ▼ 39.3% |
| May | 88.2% | 84.0% | ▼ 4.8% |
| June | 66.7% | 100.0% | ▲ 50.0% |
| July | 70.6% | 80.7% | ▲ 14.3% |
| August | 76.2% | – | – |
| September | 88.9% | – | – |
| October | 90.3% | – | in progress |
| November | 78.6% | – | – |
| December | 78.6% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | – | – | – |
| March | 1 | – | – |
| April | 0 | 2 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 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 98.9% 346
- Cancelled 1.1% 4
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
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD OKC Chicago O'Hare International Airport – OKC Will Rogers World Airport | 1,114 | 11.9 min | 82.0% | 256 |
| ORD SAV Chicago O'Hare International Airport – Savannah Hilton Head International Airport | 1,246 | 2.2 min | 89.7% | 39 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 94.1% | 0 |
| November 2024 | 20 | 20 | 90.0% | 0 |
| December 2024 | 14 | 14 | 85.7% | 0 |
| January 2025 | 6 | 6 | 83.3% | 0 |
| March 2025 | 4 | 3 | 33.3% | 1 |
| April 2025 | 4 | 4 | 100.0% | 0 |
| May 2025 | 17 | 17 | 88.2% | 0 |
| June 2025 | 18 | 18 | 66.7% | 0 |
| July 2025 | 17 | 17 | 70.6% | 0 |
| August 2025 | 21 | 21 | 76.2% | 0 |
| September 2025 | 27 | 27 | 88.9% | 0 |
| October 2025 | 31 | 31 | 90.3% | 0 |
| November 2025 | 28 | 28 | 78.6% | 0 |
| December 2025 | 29 | 28 | 78.6% | 1 |
| January 2026 | 5 | 5 | 100.0% | 0 |
| April 2026 | 30 | 28 | 60.7% | 2 |
| May 2026 | 25 | 25 | 84.0% | 0 |
| June 2026 | 6 | 6 | 100.0% | 0 |
| July 2026 | 31 | 31 | 80.7% | 0 |