OO3440
OO3440 (SkyWest Airlines) is a multi-stop service on 13 routes, busiest San Francisco to Santa Ana. Of 790 departures recorded from October 2024 to June 2026, 81.6% left on time, according to the US BTS.
- On-time departures81.6%of 790 flights
- Average delay7.4 min
- June 202641▲ 0.0%vs June 2025
- Cancelled1.4%
- Legs flown under this number13
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 22 | 36 | ▲ 63.6% |
| February | 24 | 43 | ▲ 79.2% |
| March | 31 | 59 | ▲ 90.3% |
| April | 21 | 42 | ▲ 100.0% |
| May | 34 | 38 | ▲ 11.8% |
| June | 41 | 41 | 0.0% |
| July | 31 | – | – |
| August | 29 | – | – |
| September | 26 | – | – |
| October | 30 | – | in progress |
| November | 50 | – | – |
| December | 43 | – | – |
| Year to date (Jan–Jun) | 173 | 259 | ▲ 49.7% |
according to the US BTS · October 2024 → June 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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 63.6% | 86.1% | ▲ 35.3% |
| February | 91.3% | 86.1% | ▼ 5.8% |
| March | 80.7% | 91.5% | ▲ 13.5% |
| April | 90.5% | 75.6% | ▼ 16.4% |
| May | 82.4% | 62.2% | ▼ 24.5% |
| June | 75.6% | 65.9% | ▼ 12.9% |
| July | 96.8% | – | – |
| August | 89.7% | – | – |
| September | 69.2% | – | – |
| October | 70.0% | – | in progress |
| November | 87.0% | – | – |
| December | 74.4% | – | – |
| Year-to-date average (Jan–Jun) | 80.7% | 77.9% | ▼ 3.5% |
according to the US BTS · October 2024 → June 2026
Average departure delay by month
according to the US BTS · October 2024 → June 2026
Cancelled departures by month
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 0 | – |
| April | 0 | 1 | – |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 4 | – | – |
| December | 4 | – | – |
| Year to date (Jan–Jun) | 1 | 2 | ▲ 100.0% |
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 98.6% 779
- Cancelled 1.4% 11
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jun 24, 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 SNA San Francisco International Airport – John Wayne Orange County International Airport | 598 | -1.4 min | 93.5% | 254 |
| SNA SFO John Wayne Orange County International Airport – San Francisco International Airport | 598 | 19.9 min | 66.4% | 229 |
| SEA BOI Seattle–Tacoma International Airport – Boise Air Terminal/Gowen Field | 641 | 5.6 min | 88.4% | 69 |
| PSC SEA Tri Cities Airport – Seattle–Tacoma International Airport | 276 | 5.1 min | 83.9% | 56 |
| SEA PSC Seattle–Tacoma International Airport – Tri Cities Airport | 276 | 5.3 min | 85.5% | 55 |
| SEA PDX Seattle–Tacoma International Airport – Portland International Airport | 208 | 7.2 min | 74.4% | 39 |
| PDX SFO Portland International Airport – San Francisco International Airport | 886 | 0.2 min | 90.9% | 34 |
| LAX SFO Los Angeles International Airport – San Francisco International Airport | 543 | 6.2 min | 82.4% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 35 | 35 | 80.0% | 0 |
| November 2024 | 55 | 55 | 89.1% | 0 |
| December 2024 | 59 | 59 | 91.5% | 0 |
| January 2025 | 22 | 22 | 63.6% | 0 |
| February 2025 | 24 | 23 | 91.3% | 1 |
| March 2025 | 31 | 31 | 80.7% | 0 |
| April 2025 | 21 | 21 | 90.5% | 0 |
| May 2025 | 34 | 34 | 82.4% | 0 |
| June 2025 | 41 | 41 | 75.6% | 0 |
| July 2025 | 31 | 31 | 96.8% | 0 |
| August 2025 | 29 | 29 | 89.7% | 0 |
| September 2025 | 26 | 26 | 69.2% | 0 |
| October 2025 | 30 | 30 | 70.0% | 0 |
| November 2025 | 50 | 46 | 87.0% | 4 |
| December 2025 | 43 | 39 | 74.4% | 4 |
| January 2026 | 36 | 36 | 86.1% | 0 |
| February 2026 | 43 | 43 | 86.1% | 0 |
| March 2026 | 59 | 59 | 91.5% | 0 |
| April 2026 | 42 | 41 | 75.6% | 1 |
| May 2026 | 38 | 37 | 62.2% | 1 |
| June 2026 | 41 | 41 | 65.9% | 0 |