OO3840
OO3840 (SkyWest Airlines) is a multi-stop service on 10 routes, busiest Seattle to San Jose. Of 938 departures recorded from October 2024 to July 2026, 88.6% left on time, according to the US BTS.
- On-time departures88.6%of 938 flights
- Average delay4.4 min
- July 202631▼ 16.2%vs July 2025
- Cancelled0.1%
- Legs flown under this number10
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 | 55 | 20 | ▼ 63.6% |
| February | 48 | 17 | ▼ 64.6% |
| March | 54 | 30 | ▼ 44.4% |
| April | 56 | 30 | ▼ 46.4% |
| May | 60 | 56 | ▼ 6.7% |
| June | 60 | 36 | ▼ 40.0% |
| July | 37 | 31 | ▼ 16.2% |
| August | 31 | – | – |
| September | 50 | – | – |
| October | 62 | – | in progress |
| November | 22 | – | – |
| December | 59 | – | – |
| Year to date (Jan–Jul) | 370 | 220 | ▼ 40.5% |
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 | 96.4% | 40.0% | ▼ 58.5% |
| February | 95.8% | 52.9% | ▼ 44.8% |
| March | 81.5% | 93.3% | ▲ 14.5% |
| April | 89.3% | 73.3% | ▼ 17.9% |
| May | 90.0% | 96.4% | ▲ 7.1% |
| June | 93.3% | 86.1% | ▼ 7.7% |
| July | 97.3% | 86.7% | ▼ 10.9% |
| August | 96.8% | – | – |
| September | 94.0% | – | – |
| October | 96.8% | – | in progress |
| November | 90.9% | – | – |
| December | 93.2% | – | – |
| Year-to-date average (Jan–Jul) | 91.9% | 75.5% | ▼ 17.8% |
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 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 1 |
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 99.9% 937
- Cancelled 0.1% 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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SEA SJC Seattle–Tacoma International Airport – Mineta San Jose International Airport | 1,122 | 2.0 min | 90.9% | 418 |
| SJC SEA Mineta San Jose International Airport – Seattle–Tacoma International Airport | 1,122 | 1.4 min | 90.2% | 305 |
| FSD MSP Sioux Falls Regional Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 315 | 28.8 min | 83.3% | 55 |
| OMA SLC Eppley Airfield – Salt Lake City International Airport | 1,348 | 1.2 min | 83.3% | 36 |
| SEA ONT Seattle–Tacoma International Airport – Ontario International Airport | 1,540 | -4.2 min | 93.6% | 31 |
| ONT SEA Ontario International Airport – Seattle–Tacoma International Airport | 1,540 | -7.7 min | 100.0% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 48 | 48 | 75.0% | 0 |
| December 2024 | 56 | 56 | 82.1% | 0 |
| January 2025 | 55 | 55 | 96.4% | 0 |
| February 2025 | 48 | 48 | 95.8% | 0 |
| March 2025 | 54 | 54 | 81.5% | 0 |
| April 2025 | 56 | 56 | 89.3% | 0 |
| May 2025 | 60 | 60 | 90.0% | 0 |
| June 2025 | 60 | 60 | 93.3% | 0 |
| July 2025 | 37 | 37 | 97.3% | 0 |
| August 2025 | 31 | 31 | 96.8% | 0 |
| September 2025 | 50 | 50 | 94.0% | 0 |
| October 2025 | 62 | 62 | 96.8% | 0 |
| November 2025 | 22 | 22 | 90.9% | 0 |
| December 2025 | 59 | 59 | 93.2% | 0 |
| January 2026 | 20 | 20 | 40.0% | 0 |
| February 2026 | 17 | 17 | 52.9% | 0 |
| March 2026 | 30 | 30 | 93.3% | 0 |
| April 2026 | 30 | 30 | 73.3% | 0 |
| May 2026 | 56 | 56 | 96.4% | 0 |
| June 2026 | 36 | 36 | 86.1% | 0 |
| July 2026 | 31 | 30 | 86.7% | 1 |