OO5856
OO5856 (SkyWest Airlines) is a multi-stop service on 7 routes, busiest Tucson to San Francisco. Of 262 departures recorded from October 2024 to May 2026, 68.8% left on time, according to the US BTS.
- On-time departures68.8%of 262 flights
- Average delay24.4 min
- May 202614▼ 54.8%vs May 2025
- Cancelled2.3%
- Legs flown under this number7
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods11 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 6 | – | – |
| February | – | – | – |
| March | 26 | – | – |
| April | 30 | 7 | ▼ 76.7% |
| May | 31 | 14 | ▼ 54.8% |
| June | 30 | – | – |
| July | 31 | – | – |
| August | 18 | – | – |
| September | 1 | – | – |
| October | – | – | in progress |
| November | 2 | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → May 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 | 100.0% | – | – |
| February | – | – | – |
| March | 80.0% | – | – |
| April | 76.7% | 100.0% | ▲ 30.4% |
| May | 67.7% | 71.4% | ▲ 5.4% |
| June | 48.3% | – | – |
| July | 50.0% | – | – |
| August | 52.9% | – | – |
| September | 100.0% | – | – |
| October | – | – | in progress |
| November | 50.0% | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → May 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → May 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods11 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | – | – |
| February | – | – | – |
| March | 1 | – | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | – | – |
| July | 1 | – | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | – | – | in progress |
| November | 0 | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → May 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 97.7% 256
- Cancelled 2.3% 6
Share of all recorded flights in the period, all legs. · Oct 20, 2024 → May 19, 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 |
|---|---|---|---|---|
| TUS SFO Tucson International Airport – San Francisco International Airport | 1,208 | 10.8 min | 77.9% | 148 |
| DEN FAR Denver International Airport – Hector International Airport | 1,009 | 43.1 min | 50.0% | 89 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 6 | 6 | 83.3% | 0 |
| November 2024 | 29 | 27 | 88.9% | 2 |
| December 2024 | 31 | 31 | 64.5% | 0 |
| January 2025 | 6 | 6 | 100.0% | 0 |
| March 2025 | 26 | 25 | 80.0% | 1 |
| April 2025 | 30 | 30 | 76.7% | 0 |
| May 2025 | 31 | 31 | 67.7% | 0 |
| June 2025 | 30 | 29 | 48.3% | 1 |
| July 2025 | 31 | 30 | 50.0% | 1 |
| August 2025 | 18 | 17 | 52.9% | 1 |
| September 2025 | 1 | 1 | 100.0% | 0 |
| November 2025 | 2 | 2 | 50.0% | 0 |
| April 2026 | 7 | 7 | 100.0% | 0 |
| May 2026 | 14 | 14 | 71.4% | 0 |