OO3891
OO3891 (SkyWest Airlines) is a multi-stop service on 7 routes, busiest Seattle to Pasco. Of 499 departures recorded from October 2024 to July 2026, 85.7% left on time, according to the US BTS.
- On-time departures85.7%of 499 flights
- Average delay4.1 min
- July 202662
- Cancelled0.2%
- 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 periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 30 | 30 | 0.0% |
| February | 22 | 31 | ▲ 40.9% |
| March | 26 | 32 | ▲ 23.1% |
| April | 26 | 30 | ▲ 15.4% |
| May | 30 | 31 | ▲ 3.3% |
| June | 9 | 54 | ▲ 500.0% |
| July | – | 62 | – |
| August | – | – | – |
| September | 2 | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 18 | – | – |
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 periods15 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 73.3% | 93.3% | ▲ 27.3% |
| February | 77.3% | 80.7% | ▲ 4.4% |
| March | 88.5% | 77.4% | ▼ 12.5% |
| April | 80.8% | 96.7% | ▲ 19.7% |
| May | 93.3% | 74.2% | ▼ 20.5% |
| June | 88.9% | 92.6% | ▲ 4.2% |
| July | – | 90.3% | – |
| August | – | – | – |
| September | 100.0% | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 88.9% | – | – |
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 periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | 0 | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 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 99.8% 498
- Cancelled 0.2% 1
Share of all recorded flights in the period, all legs. · Oct 13, 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 |
|---|---|---|---|---|
| SEA PSC Seattle–Tacoma International Airport – Tri Cities Airport | 276 | 5.0 min | 84.8% | 409 |
| PSC SEA Tri Cities Airport – Seattle–Tacoma International Airport | 276 | -0.6 min | 90.6% | 85 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 12 | 12 | 83.3% | 0 |
| November 2024 | 18 | 18 | 94.4% | 0 |
| December 2024 | 36 | 36 | 77.8% | 0 |
| January 2025 | 30 | 30 | 73.3% | 0 |
| February 2025 | 22 | 22 | 77.3% | 0 |
| March 2025 | 26 | 26 | 88.5% | 0 |
| April 2025 | 26 | 26 | 80.8% | 0 |
| May 2025 | 30 | 30 | 93.3% | 0 |
| June 2025 | 9 | 9 | 88.9% | 0 |
| September 2025 | 2 | 2 | 100.0% | 0 |
| December 2025 | 18 | 18 | 88.9% | 0 |
| January 2026 | 30 | 30 | 93.3% | 0 |
| February 2026 | 31 | 31 | 80.7% | 0 |
| March 2026 | 32 | 31 | 77.4% | 1 |
| April 2026 | 30 | 30 | 96.7% | 0 |
| May 2026 | 31 | 31 | 74.2% | 0 |
| June 2026 | 54 | 54 | 92.6% | 0 |
| July 2026 | 62 | 62 | 90.3% | 0 |