WN3718
WN3718 (Southwest Airlines) is a multi-stop service on 27 routes, busiest Sacramento to San Diego. Of 443 departures recorded from October 2024 to July 2026, 68.4% left on time, according to the US BTS.
- On-time departures68.4%of 443 flights
- Average delay19.8 min
- July 202626▲ 2,500.0%vs July 2025
- Cancelled0.7%
- Legs flown under this number27
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 28 | – | – |
| February | 32 | 3 | ▼ 90.6% |
| March | 43 | 42 | ▼ 2.3% |
| April | 10 | 38 | ▲ 280.0% |
| May | – | 34 | – |
| June | – | 28 | – |
| July | 1 | 26 | ▲ 2,500.0% |
| August | 4 | – | – |
| September | 4 | – | – |
| October | 55 | – | in progress |
| November | 4 | – | – |
| December | 4 | – | – |
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 periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 75.0% | – | – |
| February | 71.9% | 33.3% | ▼ 53.6% |
| March | 81.4% | 73.2% | ▼ 10.1% |
| April | 70.0% | 55.3% | ▼ 21.1% |
| May | – | 35.3% | – |
| June | – | 82.1% | – |
| July | 100.0% | 92.3% | ▼ 7.7% |
| August | 50.0% | – | – |
| September | 25.0% | – | – |
| October | 56.4% | – | in progress |
| November | 50.0% | – | – |
| December | 100.0% | – | – |
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 periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | – | – |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | – | 0 | – |
| June | – | 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 99.3% 440
- Cancelled 0.7% 3
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SMF SAN Sacramento International Airport – San Diego International Airport | 773 | 11.1 min | 73.9% | 89 |
| PDX SMF Portland International Airport – Sacramento International Airport | 771 | 47.1 min | 42.0% | 50 |
| SJU BWI Luis Munoz Marin International Airport – Baltimore/Washington International Thurgood Marshall Airport | 2,525 | 7.3 min | 91.8% | 49 |
| STL CLT St. Louis Lambert International Airport – Charlotte Douglas International Airport | 924 | 6.9 min | 84.9% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 19 | 100.0% | 1 |
| November 2024 | 41 | 41 | 63.4% | 0 |
| December 2024 | 26 | 25 | 72.0% | 1 |
| January 2025 | 28 | 28 | 75.0% | 0 |
| February 2025 | 32 | 32 | 71.9% | 0 |
| March 2025 | 43 | 43 | 81.4% | 0 |
| April 2025 | 10 | 10 | 70.0% | 0 |
| July 2025 | 1 | 1 | 100.0% | 0 |
| August 2025 | 4 | 4 | 50.0% | 0 |
| September 2025 | 4 | 4 | 25.0% | 0 |
| October 2025 | 55 | 55 | 56.4% | 0 |
| November 2025 | 4 | 4 | 50.0% | 0 |
| December 2025 | 4 | 4 | 100.0% | 0 |
| February 2026 | 3 | 3 | 33.3% | 0 |
| March 2026 | 42 | 41 | 73.2% | 1 |
| April 2026 | 38 | 38 | 55.3% | 0 |
| May 2026 | 34 | 34 | 35.3% | 0 |
| June 2026 | 28 | 28 | 82.1% | 0 |
| July 2026 | 26 | 26 | 92.3% | 0 |