OO5859
OO5859 (SkyWest Airlines) is a multi-stop service on 9 routes, busiest Chicago to Bozeman. Of 207 departures recorded from October 2024 to July 2026, 86.6% left on time, according to the US BTS.
- On-time departures86.6%of 207 flights
- Average delay8.3 min
- July 20261▼ 95.0%vs July 2025
- Cancelled2.4%
- Legs flown under this number9
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods12 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 6 | – | – |
| February | – | – | – |
| March | 1 | – | – |
| April | 3 | 11 | ▲ 266.7% |
| May | 8 | 14 | ▲ 75.0% |
| June | 22 | – | – |
| July | 20 | 1 | ▼ 95.0% |
| August | 23 | – | – |
| September | 16 | – | – |
| October | – | – | in progress |
| November | 2 | – | – |
| December | – | – | – |
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 periods11 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 33.3% | – | – |
| February | – | – | – |
| March | 100.0% | – | – |
| April | 66.7% | 81.8% | ▲ 22.7% |
| May | 100.0% | 85.7% | ▼ 14.3% |
| June | 95.5% | – | – |
| July | 85.0% | 100.0% | ▲ 17.6% |
| August | 87.0% | – | – |
| September | 75.0% | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
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 periods12 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | – | – |
| February | – | – | – |
| March | 0 | – | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | – | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | – | – | in progress |
| November | 2 | – | – |
| December | – | – | – |
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 97.6% 202
- Cancelled 2.4% 5
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 BZN Chicago O'Hare International Airport – Bozeman Yellowstone International Airport | 1,903 | 3.6 min | 87.6% | 89 |
| DEN SAF Denver International Airport – Santa Fe Municipal Airport | 488 | 15.0 min | 86.8% | 86 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 29 | 26 | 88.5% | 3 |
| December 2024 | 31 | 31 | 93.6% | 0 |
| January 2025 | 6 | 6 | 33.3% | 0 |
| March 2025 | 1 | 1 | 100.0% | 0 |
| April 2025 | 3 | 3 | 66.7% | 0 |
| May 2025 | 8 | 8 | 100.0% | 0 |
| June 2025 | 22 | 22 | 95.5% | 0 |
| July 2025 | 20 | 20 | 85.0% | 0 |
| August 2025 | 23 | 23 | 87.0% | 0 |
| September 2025 | 16 | 16 | 75.0% | 0 |
| November 2025 | 2 | 0 | — | 2 |
| April 2026 | 11 | 11 | 81.8% | 0 |
| May 2026 | 14 | 14 | 85.7% | 0 |
| July 2026 | 1 | 1 | 100.0% | 0 |