OO4888
OO4888 (SkyWest Airlines) is a multi-stop service on 21 routes, busiest Phoenix to Palm Springs. Of 608 departures recorded from October 2024 to July 2026, 74.4% left on time, according to the US BTS.
- On-time departures74.4%of 608 flights
- Average delay26.5 min
- July 202631▲ 14.8%vs July 2025
- Cancelled3.1%
- Legs flown under this number21
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 | 5 | 36 | ▲ 620.0% |
| February | 16 | 21 | ▲ 31.3% |
| March | 31 | 28 | ▼ 9.7% |
| April | 22 | 10 | ▼ 54.5% |
| May | 22 | 11 | ▼ 50.0% |
| June | 28 | 30 | ▲ 7.1% |
| July | 27 | 31 | ▲ 14.8% |
| August | 57 | – | – |
| September | 25 | – | – |
| October | 31 | – | in progress |
| November | 41 | – | – |
| December | 51 | – | – |
| Year to date (Jan–Jul) | 151 | 167 | ▲ 10.6% |
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 | 40.0% | 82.4% | ▲ 105.9% |
| February | 86.7% | 71.4% | ▼ 17.6% |
| March | 65.5% | 61.5% | ▼ 6.1% |
| April | 95.5% | 77.8% | ▼ 18.5% |
| May | 86.4% | 45.5% | ▼ 47.4% |
| June | 42.3% | 50.0% | ▲ 18.2% |
| July | 48.0% | 51.7% | ▲ 7.7% |
| August | 80.7% | – | – |
| September | 92.0% | – | – |
| October | 96.8% | – | in progress |
| November | 86.8% | – | – |
| December | 80.4% | – | – |
| Year-to-date average (Jan–Jul) | 66.3% | 62.9% | ▼ 5.2% |
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 | 2 | – |
| February | 1 | 0 | ▼ 100.0% |
| March | 2 | 2 | 0.0% |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 2 | 2 | 0.0% |
| July | 2 | 2 | 0.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 3 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 7 | 9 | ▲ 28.6% |
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 96.9% 589
- Cancelled 3.1% 19
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PHX PSP Phoenix Sky Harbor International Airport – Palm Springs International Airport | 419 | 17.8 min | 78.7% | 130 |
| LAX SMF Los Angeles International Airport – Sacramento International Airport | 600 | 3.2 min | 90.4% | 73 |
| ORD MKE Chicago O'Hare International Airport – General Mitchell International Airport | 108 | 51.5 min | 50.0% | 72 |
| RST ORD Rochester International Airport – Chicago O'Hare International Airport | 431 | 49.1 min | 46.3% | 58 |
| PSP PHX Palm Springs International Airport – Phoenix Sky Harbor International Airport | 419 | 54.4 min | 80.8% | 54 |
| ORD MLI Chicago O'Hare International Airport – Quad City International Airport | 224 | 41.7 min | 63.5% | 54 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 44 | 44 | 72.7% | 0 |
| December 2024 | 21 | 21 | 81.0% | 0 |
| January 2025 | 5 | 5 | 40.0% | 0 |
| February 2025 | 16 | 15 | 86.7% | 1 |
| March 2025 | 31 | 29 | 65.5% | 2 |
| April 2025 | 22 | 22 | 95.5% | 0 |
| May 2025 | 22 | 22 | 86.4% | 0 |
| June 2025 | 28 | 26 | 42.3% | 2 |
| July 2025 | 27 | 25 | 48.0% | 2 |
| August 2025 | 57 | 57 | 80.7% | 0 |
| September 2025 | 25 | 25 | 92.0% | 0 |
| October 2025 | 31 | 31 | 96.8% | 0 |
| November 2025 | 41 | 38 | 86.8% | 3 |
| December 2025 | 51 | 51 | 80.4% | 0 |
| January 2026 | 36 | 34 | 82.4% | 2 |
| February 2026 | 21 | 21 | 71.4% | 0 |
| March 2026 | 28 | 26 | 61.5% | 2 |
| April 2026 | 10 | 9 | 77.8% | 1 |
| May 2026 | 11 | 11 | 45.5% | 0 |
| June 2026 | 30 | 28 | 50.0% | 2 |
| July 2026 | 31 | 29 | 51.7% | 2 |