OO3421
OO3421 (SkyWest Airlines) is a multi-stop service on 14 routes, busiest San Diego to Fresno. Of 413 departures recorded from October 2024 to July 2026, 86.2% left on time, according to the US BTS.
- On-time departures86.2%of 413 flights
- Average delay5.1 min
- July 202631▲ 0.0%vs July 2025
- Cancelled0.0%
- Legs flown under this number14
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 16 | 6 | ▼ 62.5% |
| February | 17 | – | – |
| March | 34 | – | – |
| April | 42 | 9 | ▼ 78.6% |
| May | 14 | 12 | ▼ 14.3% |
| June | 19 | 21 | ▲ 10.5% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 3 | – | in progress |
| November | 9 | – | – |
| December | 15 | – | – |
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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 81.3% | 66.7% | ▼ 17.9% |
| February | 88.2% | – | – |
| March | 100.0% | – | – |
| April | 88.1% | 100.0% | ▲ 13.5% |
| May | 92.9% | 83.3% | ▼ 10.3% |
| June | 89.5% | 76.2% | ▼ 14.8% |
| July | 87.1% | 64.5% | ▼ 25.9% |
| August | 80.7% | – | – |
| September | 86.7% | – | – |
| October | 100.0% | – | in progress |
| November | 100.0% | – | – |
| December | 80.0% | – | – |
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 periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | – | – |
| March | 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 | – | – |
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 100.0% 413
- Cancelled 0.0% 0
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SAN FAT San Diego International Airport – Fresno Yosemite International Airport | 505 | 5.8 min | 86.6% | 134 |
| RNO LAX Reno Tahoe International Airport – Los Angeles International Airport | 630 | -2.0 min | 95.7% | 70 |
| FAT SAN Fresno Yosemite International Airport – San Diego International Airport | 505 | 0.1 min | 92.7% | 55 |
| IDA PDX Idaho Falls Regional Airport – Portland International Airport | 865 | 13.8 min | 69.2% | 52 |
| SEA PDX Seattle–Tacoma International Airport – Portland International Airport | 208 | 12.9 min | 83.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 30 | 30 | 93.3% | 0 |
| December 2024 | 23 | 23 | 78.3% | 0 |
| January 2025 | 16 | 16 | 81.3% | 0 |
| February 2025 | 17 | 17 | 88.2% | 0 |
| March 2025 | 34 | 34 | 100.0% | 0 |
| April 2025 | 42 | 42 | 88.1% | 0 |
| May 2025 | 14 | 14 | 92.9% | 0 |
| June 2025 | 19 | 19 | 89.5% | 0 |
| July 2025 | 31 | 31 | 87.1% | 0 |
| August 2025 | 31 | 31 | 80.7% | 0 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 3 | 3 | 100.0% | 0 |
| November 2025 | 9 | 9 | 100.0% | 0 |
| December 2025 | 15 | 15 | 80.0% | 0 |
| January 2026 | 6 | 6 | 66.7% | 0 |
| April 2026 | 9 | 9 | 100.0% | 0 |
| May 2026 | 12 | 12 | 83.3% | 0 |
| June 2026 | 21 | 21 | 76.2% | 0 |
| July 2026 | 31 | 31 | 64.5% | 0 |