OO4131
OO4131 (SkyWest Airlines) is a multi-stop service on 6 routes, busiest Seattle to Sacramento. Of 724 departures recorded from October 2024 to July 2026, 86.1% left on time, according to the US BTS.
- On-time departures86.1%of 724 flights
- Average delay3.2 min
- July 202631▲ 0.0%vs July 2025
- Cancelled0.7%
- Legs flown under this number6
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 | 62 | 28 | ▼ 54.8% |
| February | 56 | 24 | ▼ 57.1% |
| March | 39 | 30 | ▼ 23.1% |
| April | 30 | 30 | 0.0% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 22 | – | – |
| September | 17 | – | – |
| October | 30 | – | in progress |
| November | 28 | – | – |
| December | 19 | – | – |
| Year to date (Jan–Jul) | 279 | 204 | ▼ 26.9% |
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 | 93.3% | 96.4% | ▲ 3.3% |
| February | 71.4% | 95.8% | ▲ 34.2% |
| March | 59.5% | 96.6% | ▲ 62.4% |
| April | 86.7% | 80.0% | ▼ 7.7% |
| May | 87.1% | 90.3% | ▲ 3.7% |
| June | 86.7% | 86.7% | 0.0% |
| July | 87.1% | 90.3% | ▲ 3.7% |
| August | 90.9% | – | – |
| September | 100.0% | – | – |
| October | 86.7% | – | in progress |
| November | 92.9% | – | – |
| December | 84.2% | – | – |
| Year-to-date average (Jan–Jul) | 81.7% | 90.9% | ▲ 11.3% |
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 | 2 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 2 | 1 | ▼ 50.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 1 | ▼ 75.0% |
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 99.3% 719
- Cancelled 0.7% 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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SEA SMF Seattle–Tacoma International Airport – Sacramento International Airport | 975 | 0.5 min | 89.7% | 428 |
| HRL AUS Valley International Airport – Austin Bergstrom International Airport | 441 | 6.6 min | 83.2% | 115 |
| AUS HRL Austin Bergstrom International Airport – Valley International Airport | 441 | 7.5 min | 80.5% | 115 |
| MSP JFK Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – John F. Kennedy International Airport | 1,651 | 10.8 min | 69.4% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 89.5% | 0 |
| November 2024 | 44 | 44 | 95.5% | 0 |
| December 2024 | 62 | 62 | 75.8% | 0 |
| January 2025 | 62 | 60 | 93.3% | 2 |
| February 2025 | 56 | 56 | 71.4% | 0 |
| March 2025 | 39 | 37 | 59.5% | 2 |
| April 2025 | 30 | 30 | 86.7% | 0 |
| May 2025 | 31 | 31 | 87.1% | 0 |
| June 2025 | 30 | 30 | 86.7% | 0 |
| July 2025 | 31 | 31 | 87.1% | 0 |
| August 2025 | 22 | 22 | 90.9% | 0 |
| September 2025 | 17 | 17 | 100.0% | 0 |
| October 2025 | 30 | 30 | 86.7% | 0 |
| November 2025 | 28 | 28 | 92.9% | 0 |
| December 2025 | 19 | 19 | 84.2% | 0 |
| January 2026 | 28 | 28 | 96.4% | 0 |
| February 2026 | 24 | 24 | 95.8% | 0 |
| March 2026 | 30 | 29 | 96.6% | 1 |
| April 2026 | 30 | 30 | 80.0% | 0 |
| May 2026 | 31 | 31 | 90.3% | 0 |
| June 2026 | 30 | 30 | 86.7% | 0 |
| July 2026 | 31 | 31 | 90.3% | 0 |