WN3375
WN3375 (Southwest Airlines) is a multi-stop service on 19 routes, busiest Seattle to Sacramento. Of 414 departures recorded from October 2024 to July 2026, 79.1% left on time, according to the US BTS.
- On-time departures79.1%of 414 flights
- Average delay11.6 min
- July 202623▲ 360.0%vs July 2025
- Cancelled0.7%
- Legs flown under this number19
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 14 | 5 | ▼ 64.3% |
| February | 17 | – | – |
| March | 7 | 27 | ▲ 285.7% |
| April | 21 | 33 | ▲ 57.1% |
| May | 26 | 35 | ▲ 34.6% |
| June | 8 | 22 | ▲ 175.0% |
| July | 5 | 23 | ▲ 360.0% |
| August | 5 | – | – |
| September | 4 | – | – |
| October | 38 | – | in progress |
| November | 27 | – | – |
| December | 29 | – | – |
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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 85.7% | 100.0% | ▲ 16.7% |
| February | 70.6% | – | – |
| March | 42.9% | 96.2% | ▲ 124.3% |
| April | 95.2% | 90.9% | ▼ 4.5% |
| May | 76.9% | 60.0% | ▼ 22.0% |
| June | 50.0% | 90.9% | ▲ 81.8% |
| July | 66.7% | 87.0% | ▲ 30.4% |
| August | 40.0% | – | – |
| September | 0.0% | – | – |
| October | 92.1% | – | in progress |
| November | 81.5% | – | – |
| December | 65.5% | – | – |
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 periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | – | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 2 | 0 | ▼ 100.0% |
| 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 99.3% 411
- Cancelled 0.7% 3
Share of all recorded flights in the period, all legs. · Oct 13, 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 SMF Seattle–Tacoma International Airport – Sacramento International Airport | 975 | 11.8 min | 76.7% | 60 |
| CLE BWI Cleveland Hopkins International Airport – Baltimore/Washington International Thurgood Marshall Airport | 505 | 17.3 min | 74.1% | 58 |
| MIA STL Miami International Airport – St. Louis Lambert International Airport | 1,722 | 12.3 min | 84.0% | 50 |
| PIT MCO Pittsburgh International Airport – Orlando International Airport | 1,345 | 8.5 min | 90.5% | 42 |
| OAK PHX Oakland San Francisco Bay Airport – Phoenix Sky Harbor International Airport | 1,039 | 4.3 min | 96.9% | 33 |
| MDW LAS Chicago Midway International Airport – Harry Reid International Airport | 2,442 | 5.6 min | 87.1% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 11 | 11 | 90.9% | 0 |
| November 2024 | 17 | 17 | 82.4% | 0 |
| December 2024 | 40 | 40 | 72.5% | 0 |
| January 2025 | 14 | 14 | 85.7% | 0 |
| February 2025 | 17 | 17 | 70.6% | 0 |
| March 2025 | 7 | 7 | 42.9% | 0 |
| April 2025 | 21 | 21 | 95.2% | 0 |
| May 2025 | 26 | 26 | 76.9% | 0 |
| June 2025 | 8 | 8 | 50.0% | 0 |
| July 2025 | 5 | 3 | 66.7% | 2 |
| August 2025 | 5 | 5 | 40.0% | 0 |
| September 2025 | 4 | 4 | 0.0% | 0 |
| October 2025 | 38 | 38 | 92.1% | 0 |
| November 2025 | 27 | 27 | 81.5% | 0 |
| December 2025 | 29 | 29 | 65.5% | 0 |
| January 2026 | 5 | 5 | 100.0% | 0 |
| March 2026 | 27 | 26 | 96.2% | 1 |
| April 2026 | 33 | 33 | 90.9% | 0 |
| May 2026 | 35 | 35 | 60.0% | 0 |
| June 2026 | 22 | 22 | 90.9% | 0 |
| July 2026 | 23 | 23 | 87.0% | 0 |