OO4151
OO4151 (SkyWest Airlines) is a multi-stop service on 15 routes, busiest Phoenix to Los Angeles. Of 302 departures recorded from October 2024 to July 2026, 85.4% left on time, according to the US BTS.
- On-time departures85.4%of 302 flights
- Average delay8.0 min
- July 20268
- Cancelled0.3%
- Legs flown under this number15
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 | 6 | 28 | ▲ 366.7% |
| February | 12 | 15 | ▲ 25.0% |
| March | 27 | 1 | ▼ 96.3% |
| April | 30 | 18 | ▼ 40.0% |
| May | 31 | 6 | ▼ 80.6% |
| June | 7 | 1 | ▼ 85.7% |
| July | – | 8 | – |
| August | – | – | – |
| September | 34 | – | – |
| 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 periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 85.7% | ▼ 14.3% |
| February | 66.7% | 86.7% | ▲ 30.0% |
| March | 81.5% | – | – |
| April | 93.3% | 88.9% | ▼ 4.8% |
| May | 96.8% | 83.3% | ▼ 13.9% |
| June | 100.0% | 100.0% | 0.0% |
| July | – | 75.0% | – |
| August | – | – | – |
| September | 70.6% | – | – |
| October | 70.0% | – | 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 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| 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 99.7% 301
- Cancelled 0.3% 1
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 25, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PHX LAX Phoenix Sky Harbor International Airport – Los Angeles International Airport | 595 | 4.5 min | 90.0% | 219 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 30 | 30 | 90.0% | 0 |
| December 2024 | 18 | 18 | 83.3% | 0 |
| January 2025 | 6 | 6 | 100.0% | 0 |
| February 2025 | 12 | 12 | 66.7% | 0 |
| March 2025 | 27 | 27 | 81.5% | 0 |
| April 2025 | 30 | 30 | 93.3% | 0 |
| May 2025 | 31 | 31 | 96.8% | 0 |
| June 2025 | 7 | 7 | 100.0% | 0 |
| September 2025 | 34 | 34 | 70.6% | 0 |
| October 2025 | 10 | 10 | 70.0% | 0 |
| January 2026 | 28 | 28 | 85.7% | 0 |
| February 2026 | 15 | 15 | 86.7% | 0 |
| March 2026 | 1 | 0 | — | 1 |
| April 2026 | 18 | 18 | 88.9% | 0 |
| May 2026 | 6 | 6 | 83.3% | 0 |
| June 2026 | 1 | 1 | 100.0% | 0 |
| July 2026 | 8 | 8 | 75.0% | 0 |