OO5321
OO5321 (SkyWest Airlines) is a multi-stop service on 20 routes, busiest Chicago to Asheville. Of 608 departures recorded from October 2024 to July 2026, 77.2% left on time, according to the US BTS.
- On-time departures77.2%of 608 flights
- Average delay16.0 min
- July 202631▲ 10.7%vs July 2025
- Cancelled1.3%
- Legs flown under this number20
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 | 30 | ▼ 3.2% |
| February | 28 | 27 | ▼ 3.6% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 11 | 31 | ▲ 181.8% |
| June | 30 | 30 | 0.0% |
| July | 28 | 31 | ▲ 10.7% |
| August | 31 | – | – |
| September | 29 | – | – |
| October | 24 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 189 | 210 | ▲ 11.1% |
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 | 90.3% | 65.5% | ▼ 27.5% |
| February | 92.6% | 70.4% | ▼ 24.0% |
| March | 83.9% | 60.0% | ▼ 28.5% |
| April | 90.0% | 77.8% | ▼ 13.6% |
| May | 40.0% | 77.4% | ▲ 93.6% |
| June | 40.0% | 83.3% | ▲ 108.3% |
| July | 82.1% | 83.9% | ▲ 2.1% |
| August | 87.1% | – | – |
| September | 82.8% | – | – |
| October | 91.7% | – | in progress |
| November | 71.4% | – | – |
| December | 58.1% | – | – |
| Year-to-date average (Jan–Jul) | 74.1% | 74.0% | ▼ 0.1% |
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 | 1 | 0 | ▼ 100.0% |
| March | 0 | 1 | – |
| April | 0 | 3 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 5 | ▲ 150.0% |
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 98.7% 600
- Cancelled 1.3% 8
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
10Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 28 | 28 | 89.3% | 0 |
| December 2024 | 17 | 17 | 76.5% | 0 |
| January 2025 | 31 | 31 | 90.3% | 0 |
| February 2025 | 28 | 27 | 92.6% | 1 |
| March 2025 | 31 | 31 | 83.9% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 11 | 10 | 40.0% | 1 |
| June 2025 | 30 | 30 | 40.0% | 0 |
| July 2025 | 28 | 28 | 82.1% | 0 |
| August 2025 | 31 | 31 | 87.1% | 0 |
| September 2025 | 29 | 29 | 82.8% | 0 |
| October 2025 | 24 | 24 | 91.7% | 0 |
| November 2025 | 29 | 28 | 71.4% | 1 |
| December 2025 | 31 | 31 | 58.1% | 0 |
| January 2026 | 30 | 29 | 65.5% | 1 |
| February 2026 | 27 | 27 | 70.4% | 0 |
| March 2026 | 31 | 30 | 60.0% | 1 |
| April 2026 | 30 | 27 | 77.8% | 3 |
| May 2026 | 31 | 31 | 77.4% | 0 |
| June 2026 | 30 | 30 | 83.3% | 0 |
| July 2026 | 31 | 31 | 83.9% | 0 |