OO5921
OO5921 (SkyWest Airlines) is a multi-stop service on 6 routes, busiest Knoxville to Chicago. Of 469 departures recorded from October 2024 to June 2026, 76.1% left on time, according to the US BTS.
- On-time departures76.1%of 469 flights
- Average delay24.8 min
- June 202624▼ 20.0%vs June 2025
- Cancelled1.7%
- Legs flown under this number6
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 6 | 4 | ▼ 33.3% |
| February | – | 17 | – |
| March | 26 | 26 | 0.0% |
| April | 30 | 27 | ▼ 10.0% |
| May | 31 | 29 | ▼ 6.5% |
| June | 30 | 24 | ▼ 20.0% |
| July | 31 | – | – |
| August | 31 | – | – |
| September | 18 | – | – |
| October | 30 | – | in progress |
| November | 28 | – | – |
| December | 15 | – | – |
according to the US BTS · October 2024 → June 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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 83.3% | 33.3% | ▼ 60.0% |
| February | – | 64.7% | – |
| March | 65.4% | 50.0% | ▼ 23.5% |
| April | 89.7% | 80.8% | ▼ 9.9% |
| May | 87.1% | 58.6% | ▼ 32.7% |
| June | 93.3% | 83.3% | ▼ 10.7% |
| July | 80.7% | – | – |
| August | 77.4% | – | – |
| September | 94.4% | – | – |
| October | 93.3% | – | in progress |
| November | 81.5% | – | – |
| December | 38.5% | – | – |
according to the US BTS · October 2024 → June 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → June 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | – | 0 | – |
| March | 0 | 2 | – |
| April | 1 | 1 | 0.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 2 | – | – |
according to the US BTS · October 2024 → June 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 98.3% 461
- Cancelled 1.7% 8
Share of all recorded flights in the period, all legs. · Oct 27, 2024 → Jun 24, 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 |
|---|---|---|---|---|
| TYS ORD McGhee Tyson Airport – Chicago O'Hare International Airport | 765 | 16.0 min | 80.3% | 325 |
| SFO ONT San Francisco International Airport – Ontario International Airport | 585 | 29.7 min | 70.3% | 37 |
| ONT SFO Ontario International Airport – San Francisco International Airport | 585 | 61.1 min | 68.6% | 35 |
| ORD MKE Chicago O'Hare International Airport – General Mitchell International Airport | 108 | 15.1 min | 79.4% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 5 | 5 | 60.0% | 0 |
| November 2024 | 30 | 30 | 70.0% | 0 |
| December 2024 | 31 | 31 | 67.7% | 0 |
| January 2025 | 6 | 6 | 83.3% | 0 |
| March 2025 | 26 | 26 | 65.4% | 0 |
| April 2025 | 30 | 29 | 89.7% | 1 |
| May 2025 | 31 | 31 | 87.1% | 0 |
| June 2025 | 30 | 30 | 93.3% | 0 |
| July 2025 | 31 | 31 | 80.7% | 0 |
| August 2025 | 31 | 31 | 77.4% | 0 |
| September 2025 | 18 | 18 | 94.4% | 0 |
| October 2025 | 30 | 30 | 93.3% | 0 |
| November 2025 | 28 | 27 | 81.5% | 1 |
| December 2025 | 15 | 13 | 38.5% | 2 |
| January 2026 | 4 | 3 | 33.3% | 1 |
| February 2026 | 17 | 17 | 64.7% | 0 |
| March 2026 | 26 | 24 | 50.0% | 2 |
| April 2026 | 27 | 26 | 80.8% | 1 |
| May 2026 | 29 | 29 | 58.6% | 0 |
| June 2026 | 24 | 24 | 83.3% | 0 |