OO3499
OO3499 (SkyWest Airlines) is a multi-stop service on 4 routes, busiest San Jose to San Diego. Of 505 departures recorded from October 2024 to July 2026, 88.9% left on time, according to the US BTS.
- On-time departures88.9%of 505 flights
- Average delay1.5 min
- July 202631▲ 14.8%vs July 2025
- Cancelled0.2%
- 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 | 23 | 15 | ▼ 34.8% |
| February | 8 | 6 | ▼ 25.0% |
| March | 13 | 14 | ▲ 7.7% |
| April | 21 | 26 | ▲ 23.8% |
| May | 17 | 29 | ▲ 70.6% |
| June | 27 | 30 | ▲ 11.1% |
| July | 27 | 31 | ▲ 14.8% |
| August | 28 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 19 | – | – |
| Year to date (Jan–Jul) | 136 | 151 | ▲ 11.0% |
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 | 95.7% | 86.7% | ▼ 9.4% |
| February | 75.0% | 100.0% | ▲ 33.3% |
| March | 84.6% | 78.6% | ▼ 7.1% |
| April | 100.0% | 92.3% | ▼ 7.7% |
| May | 94.1% | 82.8% | ▼ 12.1% |
| June | 92.6% | 90.0% | ▼ 2.8% |
| July | 96.3% | 83.9% | ▼ 12.9% |
| August | 85.7% | – | – |
| September | 93.3% | – | – |
| October | 93.6% | – | in progress |
| November | 82.8% | – | – |
| December | 63.2% | – | – |
| Year-to-date average (Jan–Jul) | 91.2% | 87.7% | ▼ 3.8% |
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 | 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 | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 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 99.8% 504
- Cancelled 0.2% 1
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SJC SAN Mineta San Jose International Airport – San Diego International Airport | 671 | 1.3 min | 87.7% | 360 |
| SFO SAN San Francisco International Airport – San Diego International Airport | 719 | 0.2 min | 91.8% | 85 |
| BOI PDX Boise Air Terminal/Gowen Field – Portland International Airport | 553 | -0.9 min | 94.1% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 89.5% | 0 |
| November 2024 | 30 | 30 | 93.3% | 0 |
| December 2024 | 31 | 31 | 90.3% | 0 |
| January 2025 | 23 | 23 | 95.7% | 0 |
| February 2025 | 8 | 8 | 75.0% | 0 |
| March 2025 | 13 | 13 | 84.6% | 0 |
| April 2025 | 21 | 21 | 100.0% | 0 |
| May 2025 | 17 | 17 | 94.1% | 0 |
| June 2025 | 27 | 27 | 92.6% | 0 |
| July 2025 | 27 | 27 | 96.3% | 0 |
| August 2025 | 28 | 28 | 85.7% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 31 | 31 | 93.6% | 0 |
| November 2025 | 30 | 29 | 82.8% | 1 |
| December 2025 | 19 | 19 | 63.2% | 0 |
| January 2026 | 15 | 15 | 86.7% | 0 |
| February 2026 | 6 | 6 | 100.0% | 0 |
| March 2026 | 14 | 14 | 78.6% | 0 |
| April 2026 | 26 | 26 | 92.3% | 0 |
| May 2026 | 29 | 29 | 82.8% | 0 |
| June 2026 | 30 | 30 | 90.0% | 0 |
| July 2026 | 31 | 31 | 83.9% | 0 |