WN3959
WN3959 (Southwest Airlines) is a multi-stop service on 24 routes, busiest Palm Springs to Oakland. Of 253 departures recorded from October 2024 to July 2026, 74.1% left on time, according to the US BTS.
- On-time departures74.1%of 253 flights
- Average delay9.8 min
- July 202616▲ 100.0%vs July 2025
- Cancelled4.0%
- Legs flown under this number24
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 | 1 | 3 | ▲ 200.0% |
| February | 2 | 17 | ▲ 750.0% |
| March | 30 | 25 | ▼ 16.7% |
| April | 8 | 34 | ▲ 325.0% |
| May | 1 | 33 | ▲ 3,200.0% |
| June | 8 | 20 | ▲ 150.0% |
| July | 8 | 16 | ▲ 100.0% |
| August | 5 | – | – |
| September | 4 | – | – |
| October | – | – | in progress |
| November | 5 | – | – |
| December | 11 | – | – |
| Year to date (Jan–Jul) | 58 | 148 | ▲ 155.2% |
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 | 100.0% | 33.3% | ▼ 66.7% |
| February | 100.0% | 100.0% | 0.0% |
| March | 89.7% | 33.3% | ▼ 62.8% |
| April | 87.5% | 88.2% | ▲ 0.8% |
| May | 0.0% | 84.4% | – |
| June | 37.5% | 73.7% | ▲ 96.5% |
| July | 50.0% | 71.4% | ▲ 42.9% |
| August | 80.0% | – | – |
| September | 100.0% | – | – |
| October | – | – | in progress |
| November | 80.0% | – | – |
| December | 20.0% | – | – |
| Year-to-date average (Jan–Jul) | 66.4% | 69.2% | ▲ 4.2% |
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 | 0 | – |
| March | 1 | 4 | ▲ 300.0% |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 1 | – |
| July | 0 | 2 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | – | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 1 | 8 | ▲ 700.0% |
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 96.0% 243
- Cancelled 4.0% 10
Share of all recorded flights in the period, all legs. · Oct 31, 2024 → Jul 29, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PSP OAK Palm Springs International Airport – Oakland San Francisco Bay Airport | 673 | -4.0 min | 91.5% | 49 |
| MHT BWI Manchester-Boston Regional Airport – Baltimore/Washington International Thurgood Marshall Airport | 606 | 0.8 min | 87.5% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 1 | 1 | 100.0% | 0 |
| November 2024 | 13 | 13 | 76.9% | 0 |
| December 2024 | 8 | 8 | 75.0% | 0 |
| January 2025 | 1 | 1 | 100.0% | 0 |
| February 2025 | 2 | 2 | 100.0% | 0 |
| March 2025 | 30 | 29 | 89.7% | 1 |
| April 2025 | 8 | 8 | 87.5% | 0 |
| May 2025 | 1 | 1 | 0.0% | 0 |
| June 2025 | 8 | 8 | 37.5% | 0 |
| July 2025 | 8 | 8 | 50.0% | 0 |
| August 2025 | 5 | 5 | 80.0% | 0 |
| September 2025 | 4 | 4 | 100.0% | 0 |
| November 2025 | 5 | 5 | 80.0% | 0 |
| December 2025 | 11 | 10 | 20.0% | 1 |
| January 2026 | 3 | 3 | 33.3% | 0 |
| February 2026 | 17 | 17 | 100.0% | 0 |
| March 2026 | 25 | 21 | 33.3% | 4 |
| April 2026 | 34 | 34 | 88.2% | 0 |
| May 2026 | 33 | 32 | 84.4% | 1 |
| June 2026 | 20 | 19 | 73.7% | 1 |
| July 2026 | 16 | 14 | 71.4% | 2 |