WN3995
WN3995 (Southwest Airlines) is a multi-stop service on 13 routes, busiest Oakland to Phoenix. Of 351 departures recorded from October 2024 to July 2026, 69.1% left on time, according to the US BTS.
- On-time departures69.1%of 351 flights
- Average delay16.8 min
- July 202631▼ 26.2%vs July 2025
- Cancelled0.6%
- Legs flown under this number13
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 | 25 | 2 | ▼ 92.0% |
| February | 21 | – | – |
| March | 4 | 27 | ▲ 575.0% |
| April | – | 9 | – |
| May | 1 | 5 | ▲ 400.0% |
| June | 38 | 27 | ▼ 28.9% |
| July | 42 | 31 | ▼ 26.2% |
| August | 7 | – | – |
| September | – | – | – |
| October | 34 | – | in progress |
| November | 3 | – | – |
| December | 9 | – | – |
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 | 72.0% | 100.0% | ▲ 38.9% |
| February | 81.0% | – | – |
| March | 100.0% | 73.1% | ▼ 26.9% |
| April | – | 88.9% | – |
| May | 100.0% | 100.0% | 0.0% |
| June | 48.7% | 92.6% | ▲ 90.3% |
| July | 54.8% | 61.3% | ▲ 11.9% |
| August | 85.7% | – | – |
| September | – | – | – |
| October | 35.3% | – | in progress |
| November | 66.7% | – | – |
| December | 88.9% | – | – |
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 | 0 | – |
| February | 0 | – | – |
| March | 0 | 1 | – |
| April | – | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | – | – | – |
| 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 99.4% 349
- Cancelled 0.6% 2
Share of all recorded flights in the period, all legs. · Oct 14, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| OAK PHX Oakland San Francisco Bay Airport – Phoenix Sky Harbor International Airport | 1,039 | 8.6 min | 80.9% | 115 |
| HOU MDW William P. Hobby Airport – Chicago Midway International Airport | 1,510 | 29.2 min | 59.3% | 60 |
| STT MCO Cyril E. King Airport – Orlando International Airport | 2,006 | 10.9 min | 75.9% | 58 |
| SAN SJC San Diego International Airport – Mineta San Jose International Airport | 671 | 8.7 min | 75.0% | 33 |
| HOU LAS William P. Hobby Airport – Harry Reid International Airport | 1,985 | 27.4 min | 32.3% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 8 | 8 | 87.5% | 0 |
| November 2024 | 28 | 28 | 85.7% | 0 |
| December 2024 | 30 | 30 | 76.7% | 0 |
| January 2025 | 25 | 25 | 72.0% | 0 |
| February 2025 | 21 | 21 | 81.0% | 0 |
| March 2025 | 4 | 4 | 100.0% | 0 |
| May 2025 | 1 | 1 | 100.0% | 0 |
| June 2025 | 38 | 37 | 48.7% | 1 |
| July 2025 | 42 | 42 | 54.8% | 0 |
| August 2025 | 7 | 7 | 85.7% | 0 |
| October 2025 | 34 | 34 | 35.3% | 0 |
| November 2025 | 3 | 3 | 66.7% | 0 |
| December 2025 | 9 | 9 | 88.9% | 0 |
| January 2026 | 2 | 2 | 100.0% | 0 |
| March 2026 | 27 | 26 | 73.1% | 1 |
| April 2026 | 9 | 9 | 88.9% | 0 |
| May 2026 | 5 | 5 | 100.0% | 0 |
| June 2026 | 27 | 27 | 92.6% | 0 |
| July 2026 | 31 | 31 | 61.3% | 0 |