OO4815
OO4815 (SkyWest Airlines) is a multi-stop service on 7 routes, busiest Phoenix to St George. Of 558 departures recorded from October 2024 to June 2026, 85.7% left on time, according to the US BTS.
- On-time departures85.7%of 558 flights
- Average delay13.9 min
- June 202617▼ 43.3%vs June 2025
- Cancelled0.7%
- Legs flown under this number7
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 12 | 31 | ▲ 158.3% |
| February | – | 28 | – |
| March | – | 31 | – |
| April | 27 | 30 | ▲ 11.1% |
| May | 31 | 27 | ▼ 12.9% |
| June | 30 | 17 | ▼ 43.3% |
| July | 31 | – | – |
| August | 31 | – | – |
| September | 13 | – | – |
| October | 27 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
according to the US BTS · October 2024 → June 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 periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 91.7% | 77.4% | ▼ 15.5% |
| February | – | 92.6% | – |
| March | – | 71.0% | – |
| April | 92.6% | 86.7% | ▼ 6.4% |
| May | 87.1% | 100.0% | ▲ 14.8% |
| June | 90.0% | 64.7% | ▼ 28.1% |
| July | 74.2% | – | – |
| August | 87.1% | – | – |
| September | 92.3% | – | – |
| October | 85.2% | – | in progress |
| November | 86.7% | – | – |
| December | 93.6% | – | – |
according to the US BTS · October 2024 → June 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → June 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | – | 1 | – |
| March | – | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · October 2024 → June 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 99.3% 554
- Cancelled 0.7% 4
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jun 29, 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 |
|---|---|---|---|---|
| PHX SGU Phoenix Sky Harbor International Airport – St George Regional Airport | 423 | 10.8 min | 85.5% | 415 |
| TUS PHX Tucson International Airport – Phoenix Sky Harbor International Airport | 178 | 31.0 min | 86.7% | 30 |
| PHX TUS Phoenix Sky Harbor International Airport – Tucson International Airport | 178 | 6.5 min | 80.0% | 30 |
| DFW HSV Dallas Fort Worth International Airport – Huntsville International Airport | 968 | -5.2 min | 96.6% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 79.0% | 0 |
| November 2024 | 55 | 52 | 90.4% | 3 |
| December 2024 | 57 | 57 | 84.2% | 0 |
| January 2025 | 12 | 12 | 91.7% | 0 |
| April 2025 | 27 | 27 | 92.6% | 0 |
| May 2025 | 31 | 31 | 87.1% | 0 |
| June 2025 | 30 | 30 | 90.0% | 0 |
| July 2025 | 31 | 31 | 74.2% | 0 |
| August 2025 | 31 | 31 | 87.1% | 0 |
| September 2025 | 13 | 13 | 92.3% | 0 |
| October 2025 | 27 | 27 | 85.2% | 0 |
| November 2025 | 30 | 30 | 86.7% | 0 |
| December 2025 | 31 | 31 | 93.6% | 0 |
| January 2026 | 31 | 31 | 77.4% | 0 |
| February 2026 | 28 | 27 | 92.6% | 1 |
| March 2026 | 31 | 31 | 71.0% | 0 |
| April 2026 | 30 | 30 | 86.7% | 0 |
| May 2026 | 27 | 27 | 100.0% | 0 |
| June 2026 | 17 | 17 | 64.7% | 0 |