OO4321
OO4321 (SkyWest Airlines) is a multi-stop service on 4 routes, busiest Salt Lake City to St George. Of 1,045 departures recorded from January 2025 to July 2026, 92.0% left on time, according to the US BTS.
- On-time departures92.0%of 1,045 flights
- Average delay-0.2 min
- July 202652▼ 3.7%vs July 2025
- Cancelled0.0%
- Legs flown under this number4
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 | 2 | 62 | ▲ 3,000.0% |
| February | 56 | 56 | 0.0% |
| March | 62 | 62 | 0.0% |
| April | 60 | 60 | 0.0% |
| May | 60 | 60 | 0.0% |
| June | 52 | 60 | ▲ 15.4% |
| July | 54 | 52 | ▼ 3.7% |
| August | 51 | – | – |
| September | 56 | – | – |
| October | 62 | – | in progress |
| November | 58 | – | – |
| December | 60 | – | – |
| Year to date (Jan–Jul) | 346 | 412 | ▲ 19.1% |
according to the US BTS · January 2025 → 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 | 0.0% | 96.8% | – |
| February | 98.2% | 87.5% | ▼ 10.9% |
| March | 87.1% | 98.4% | ▲ 13.0% |
| April | 90.0% | 88.3% | ▼ 1.9% |
| May | 95.0% | 93.3% | ▼ 1.8% |
| June | 90.4% | 93.3% | ▲ 3.3% |
| July | 88.9% | 88.5% | ▼ 0.5% |
| August | 90.2% | – | – |
| September | 94.6% | – | – |
| October | 93.6% | – | in progress |
| November | 91.4% | – | – |
| December | 91.7% | – | – |
| Year-to-date average (Jan–Jul) | 78.5% | 92.3% | ▲ 17.6% |
according to the US BTS · January 2025 → July 2026
Average departure delay by month
according to the US BTS · January 2025 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 0 |
according to the US BTS · January 2025 → 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 100.0% 1,045
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · Jan 2, 2025 → Jul 27, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SLC SGU Salt Lake City International Airport – St George Regional Airport | 438 | 0.3 min | 92.7% | 522 |
| SGU SLC St George Regional Airport – Salt Lake City International Airport | 438 | -0.8 min | 91.6% | 521 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| January 2025 | 2 | 2 | 0.0% | 0 |
| February 2025 | 56 | 56 | 98.2% | 0 |
| March 2025 | 62 | 62 | 87.1% | 0 |
| April 2025 | 60 | 60 | 90.0% | 0 |
| May 2025 | 60 | 60 | 95.0% | 0 |
| June 2025 | 52 | 52 | 90.4% | 0 |
| July 2025 | 54 | 54 | 88.9% | 0 |
| August 2025 | 51 | 51 | 90.2% | 0 |
| September 2025 | 56 | 56 | 94.6% | 0 |
| October 2025 | 62 | 62 | 93.6% | 0 |
| November 2025 | 58 | 58 | 91.4% | 0 |
| December 2025 | 60 | 60 | 91.7% | 0 |
| January 2026 | 62 | 62 | 96.8% | 0 |
| February 2026 | 56 | 56 | 87.5% | 0 |
| March 2026 | 62 | 62 | 98.4% | 0 |
| April 2026 | 60 | 60 | 88.3% | 0 |
| May 2026 | 60 | 60 | 93.3% | 0 |
| June 2026 | 60 | 60 | 93.3% | 0 |
| July 2026 | 52 | 52 | 88.5% | 0 |