OO4783
OO4783 (SkyWest Airlines) is a multi-stop service on 17 routes, busiest San Francisco to Ontario. Of 620 departures recorded from October 2024 to July 2026, 84.6% left on time, according to the US BTS.
- On-time departures84.6%of 620 flights
- Average delay7.8 min
- July 202630▼ 3.2%vs July 2025
- Cancelled1.6%
- Legs flown under this number17
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 | 20 | 19 | ▼ 5.0% |
| February | 22 | 23 | ▲ 4.5% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 31 | 30 | ▼ 3.2% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 195 | 194 | ▼ 0.5% |
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 | 95.0% | 83.3% | ▼ 12.3% |
| February | 66.7% | 87.0% | ▲ 30.4% |
| March | 72.4% | 71.0% | ▼ 2.0% |
| April | 90.0% | 76.7% | ▼ 14.8% |
| May | 87.1% | 93.6% | ▲ 7.4% |
| June | 90.0% | 83.3% | ▼ 7.4% |
| July | 76.7% | 86.7% | ▲ 13.0% |
| August | 87.1% | – | – |
| September | 96.7% | – | – |
| October | 93.6% | – | in progress |
| November | 85.2% | – | – |
| December | 74.2% | – | – |
| Year-to-date average (Jan–Jul) | 82.6% | 83.1% | ▲ 0.6% |
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 | 1 | – |
| February | 1 | 0 | ▼ 100.0% |
| March | 2 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 1 | ▼ 75.0% |
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 98.4% 610
- Cancelled 1.6% 10
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
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SFO ONT San Francisco International Airport – Ontario International Airport | 585 | 6.7 min | 85.8% | 175 |
| CAE ORD Columbia Metropolitan Airport – Chicago O'Hare International Airport | 1,073 | 23.2 min | 78.3% | 72 |
| DEN MSO Denver International Airport – Missoula Montana Airport | 1,092 | 5.0 min | 85.9% | 71 |
| GEG DEN Spokane International Airport – Denver International Airport | 1,343 | -2.1 min | 92.7% | 68 |
| ORD FSD Chicago O'Hare International Airport – Sioux Falls Regional Airport | 743 | 4.1 min | 80.0% | 36 |
| DEN MAF Denver International Airport – Midland International Air and Space Port | 908 | 9.1 min | 77.1% | 35 |
| DEN IDA Denver International Airport – Idaho Falls Regional Airport | 736 | 7.3 min | 85.7% | 35 |
| DEN ABQ Denver International Airport – Albuquerque International Sunport | 563 | 13.2 min | 78.1% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 29 | 27 | 81.5% | 2 |
| December 2024 | 30 | 29 | 89.7% | 1 |
| January 2025 | 20 | 20 | 95.0% | 0 |
| February 2025 | 22 | 21 | 66.7% | 1 |
| March 2025 | 31 | 29 | 72.4% | 2 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 31 | 31 | 87.1% | 0 |
| June 2025 | 30 | 30 | 90.0% | 0 |
| July 2025 | 31 | 30 | 76.7% | 1 |
| August 2025 | 31 | 31 | 87.1% | 0 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 31 | 31 | 93.6% | 0 |
| November 2025 | 29 | 27 | 85.2% | 2 |
| December 2025 | 31 | 31 | 74.2% | 0 |
| January 2026 | 19 | 18 | 83.3% | 1 |
| February 2026 | 23 | 23 | 87.0% | 0 |
| March 2026 | 31 | 31 | 71.0% | 0 |
| April 2026 | 30 | 30 | 76.7% | 0 |
| May 2026 | 31 | 31 | 93.6% | 0 |
| June 2026 | 30 | 30 | 83.3% | 0 |
| July 2026 | 30 | 30 | 86.7% | 0 |