OO4153
OO4153 (SkyWest Airlines) is a multi-stop service on 18 routes, busiest Austin to Raleigh. Of 623 departures recorded from October 2024 to July 2026, 86.4% left on time, according to the US BTS.
- On-time departures86.4%of 623 flights
- Average delay7.1 min
- July 202662
- Cancelled0.8%
- Legs flown under this number18
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 | 31 | 45 | ▲ 45.2% |
| February | 28 | 13 | ▼ 53.6% |
| March | 51 | 2 | ▼ 96.1% |
| April | 41 | 36 | ▼ 12.2% |
| May | 46 | 62 | ▲ 34.8% |
| June | 15 | 60 | ▲ 300.0% |
| July | – | 62 | – |
| August | – | – | – |
| September | 40 | – | – |
| October | 10 | – | in progress |
| November | – | – | – |
| December | – | – | – |
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 | 90.3% | 75.6% | ▼ 16.3% |
| February | 96.3% | 76.9% | ▼ 20.1% |
| March | 76.5% | 100.0% | ▲ 30.8% |
| April | 80.5% | 86.1% | ▲ 7.0% |
| May | 95.7% | 87.1% | ▼ 8.9% |
| June | 86.7% | 86.7% | 0.0% |
| July | – | 83.9% | – |
| August | – | – | – |
| September | 90.0% | – | – |
| October | 100.0% | – | in progress |
| November | – | – | – |
| December | – | – | – |
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 | 4 | – |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | – | – | – |
| December | – | – | – |
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 99.2% 618
- Cancelled 0.8% 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 |
|---|---|---|---|---|
| AUS RDU Austin Bergstrom International Airport – Raleigh-Durham International Airport | 1,866 | 7.4 min | 88.4% | 207 |
| SMF SEA Sacramento International Airport – Seattle–Tacoma International Airport | 975 | 4.3 min | 83.6% | 110 |
| SEA SMF Seattle–Tacoma International Airport – Sacramento International Airport | 975 | 3.3 min | 88.2% | 110 |
| RDU AUS Raleigh-Durham International Airport – Austin Bergstrom International Airport | 1,866 | 10.6 min | 71.0% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 30 | 30 | 83.3% | 0 |
| December 2024 | 31 | 31 | 100.0% | 0 |
| January 2025 | 31 | 31 | 90.3% | 0 |
| February 2025 | 28 | 27 | 96.3% | 1 |
| March 2025 | 51 | 51 | 76.5% | 0 |
| April 2025 | 41 | 41 | 80.5% | 0 |
| May 2025 | 46 | 46 | 95.7% | 0 |
| June 2025 | 15 | 15 | 86.7% | 0 |
| September 2025 | 40 | 40 | 90.0% | 0 |
| October 2025 | 10 | 10 | 100.0% | 0 |
| January 2026 | 45 | 41 | 75.6% | 4 |
| February 2026 | 13 | 13 | 76.9% | 0 |
| March 2026 | 2 | 2 | 100.0% | 0 |
| April 2026 | 36 | 36 | 86.1% | 0 |
| May 2026 | 62 | 62 | 87.1% | 0 |
| June 2026 | 60 | 60 | 86.7% | 0 |
| July 2026 | 62 | 62 | 83.9% | 0 |