OO4043
OO4043 (SkyWest Airlines) is a multi-stop service on 4 routes, busiest Seattle to Sacramento. Of 836 departures recorded from October 2024 to July 2026, 86.0% left on time, according to the US BTS.
- On-time departures86.0%of 836 flights
- Average delay5.0 min
- July 202662▲ 21.6%vs July 2025
- Cancelled0.1%
- Legs flown under this number4
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 | 47 | 21 | ▼ 55.3% |
| February | 48 | 39 | ▼ 18.8% |
| March | 54 | 34 | ▼ 37.0% |
| April | 37 | 26 | ▼ 29.7% |
| May | 25 | 55 | ▲ 120.0% |
| June | 48 | 60 | ▲ 25.0% |
| July | 51 | 62 | ▲ 21.6% |
| August | 51 | – | – |
| September | 47 | – | – |
| October | 28 | – | in progress |
| November | 20 | – | – |
| December | 19 | – | – |
| Year to date (Jan–Jul) | 310 | 297 | ▼ 4.2% |
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 | 87.2% | 85.7% | ▼ 1.7% |
| February | 81.3% | 87.2% | ▲ 7.3% |
| March | 92.6% | 87.9% | ▼ 5.1% |
| April | 89.2% | 92.3% | ▲ 3.5% |
| May | 84.0% | 90.9% | ▲ 8.2% |
| June | 81.3% | 83.3% | ▲ 2.6% |
| July | 78.4% | 77.4% | ▼ 1.3% |
| August | 74.5% | – | – |
| September | 93.6% | – | – |
| October | 92.9% | – | in progress |
| November | 100.0% | – | – |
| December | 94.7% | – | – |
| Year-to-date average (Jan–Jul) | 84.8% | 86.4% | ▲ 1.8% |
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 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| 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) | 0 | 1 |
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 99.9% 835
- Cancelled 0.1% 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 SMF Seattle–Tacoma International Airport – Sacramento International Airport | 975 | 3.2 min | 87.2% | 555 |
| SMF SEA Sacramento International Airport – Seattle–Tacoma International Airport | 975 | 6.7 min | 84.0% | 268 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 18 | 18 | 77.8% | 0 |
| November 2024 | 28 | 28 | 96.4% | 0 |
| December 2024 | 18 | 18 | 83.3% | 0 |
| January 2025 | 47 | 47 | 87.2% | 0 |
| February 2025 | 48 | 48 | 81.3% | 0 |
| March 2025 | 54 | 54 | 92.6% | 0 |
| April 2025 | 37 | 37 | 89.2% | 0 |
| May 2025 | 25 | 25 | 84.0% | 0 |
| June 2025 | 48 | 48 | 81.3% | 0 |
| July 2025 | 51 | 51 | 78.4% | 0 |
| August 2025 | 51 | 51 | 74.5% | 0 |
| September 2025 | 47 | 47 | 93.6% | 0 |
| October 2025 | 28 | 28 | 92.9% | 0 |
| November 2025 | 20 | 20 | 100.0% | 0 |
| December 2025 | 19 | 19 | 94.7% | 0 |
| January 2026 | 21 | 21 | 85.7% | 0 |
| February 2026 | 39 | 39 | 87.2% | 0 |
| March 2026 | 34 | 33 | 87.9% | 1 |
| April 2026 | 26 | 26 | 92.3% | 0 |
| May 2026 | 55 | 55 | 90.9% | 0 |
| June 2026 | 60 | 60 | 83.3% | 0 |
| July 2026 | 62 | 62 | 77.4% | 0 |