OO4134
OO4134 (SkyWest Airlines) is a multi-stop service on 2 routes, busiest Oakland to Salt Lake City. Of 1,314 departures recorded from October 2024 to July 2026, 93.1% left on time, according to the US BTS.
- On-time departures93.1%of 1,314 flights
- Average delay0.9 min
- July 202662▲ 0.0%vs July 2025
- Cancelled0.3%
- Legs flown under this number2
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 | 62 | 0.0% |
| February | 56 | 56 | 0.0% |
| March | 62 | 62 | 0.0% |
| April | 60 | 60 | 0.0% |
| May | 62 | 62 | 0.0% |
| June | 60 | 60 | 0.0% |
| July | 62 | 62 | 0.0% |
| August | 62 | – | – |
| September | 60 | – | – |
| October | 62 | – | in progress |
| November | 60 | – | – |
| December | 62 | – | – |
| Year to date (Jan–Jul) | 424 | 424 | 0.0% |
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 | 96.8% | 91.9% | ▼ 5.0% |
| February | 80.4% | 82.1% | ▲ 2.2% |
| March | 93.6% | 88.7% | ▼ 5.2% |
| April | 96.7% | 98.3% | ▲ 1.7% |
| May | 98.4% | 93.6% | ▼ 4.9% |
| June | 95.0% | 95.0% | 0.0% |
| July | 98.4% | 91.9% | ▼ 6.6% |
| August | 90.3% | – | – |
| September | 98.3% | – | – |
| October | 90.3% | – | in progress |
| November | 98.2% | – | – |
| December | 90.3% | – | – |
| Year-to-date average (Jan–Jul) | 94.2% | 91.7% | ▼ 2.7% |
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 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 4 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 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 99.7% 1,310
- Cancelled 0.3% 4
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 |
|---|---|---|---|---|
| SLC OAK Salt Lake City International Airport – Oakland San Francisco Bay Airport | 945 | 1.9 min | 93.1% | 657 |
| OAK SLC Oakland San Francisco Bay Airport – Salt Lake City International Airport | 945 | -0.0 min | 93.0% | 657 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 90.0% | 0 |
| November 2024 | 58 | 58 | 93.1% | 0 |
| December 2024 | 62 | 62 | 93.6% | 0 |
| January 2025 | 62 | 62 | 96.8% | 0 |
| February 2025 | 56 | 56 | 80.4% | 0 |
| March 2025 | 62 | 62 | 93.6% | 0 |
| April 2025 | 60 | 60 | 96.7% | 0 |
| May 2025 | 62 | 62 | 98.4% | 0 |
| June 2025 | 60 | 60 | 95.0% | 0 |
| July 2025 | 62 | 62 | 98.4% | 0 |
| August 2025 | 62 | 62 | 90.3% | 0 |
| September 2025 | 60 | 60 | 98.3% | 0 |
| October 2025 | 62 | 62 | 90.3% | 0 |
| November 2025 | 60 | 56 | 98.2% | 4 |
| December 2025 | 62 | 62 | 90.3% | 0 |
| January 2026 | 62 | 62 | 91.9% | 0 |
| February 2026 | 56 | 56 | 82.1% | 0 |
| March 2026 | 62 | 62 | 88.7% | 0 |
| April 2026 | 60 | 60 | 98.3% | 0 |
| May 2026 | 62 | 62 | 93.6% | 0 |
| June 2026 | 60 | 60 | 95.0% | 0 |
| July 2026 | 62 | 62 | 91.9% | 0 |