WN3902
WN3902 (Southwest Airlines) is a multi-stop service on 22 routes, busiest Oakland to San Diego. Of 514 departures recorded from October 2024 to July 2026, 72.5% left on time, according to the US BTS.
- On-time departures72.5%of 514 flights
- Average delay15.2 min
- July 202627▼ 47.1%vs July 2025
- Cancelled1.0%
- Legs flown under this number22
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 | 20 | 5 | ▼ 75.0% |
| February | 9 | 3 | ▼ 66.7% |
| March | 16 | 11 | ▼ 31.3% |
| April | 10 | 26 | ▲ 160.0% |
| May | 9 | 30 | ▲ 233.3% |
| June | 47 | 26 | ▼ 44.7% |
| July | 51 | 27 | ▼ 47.1% |
| August | 35 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 162 | 128 | ▼ 21.0% |
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 | 88.2% | 80.0% | ▼ 9.3% |
| February | 88.9% | 100.0% | ▲ 12.5% |
| March | 81.3% | 54.6% | ▼ 32.9% |
| April | 100.0% | 80.8% | ▼ 19.2% |
| May | 88.9% | 56.7% | ▼ 36.2% |
| June | 41.3% | 80.8% | ▲ 95.6% |
| July | 27.5% | 100.0% | ▲ 264.3% |
| August | 82.9% | – | – |
| September | 96.7% | – | – |
| October | 96.8% | – | in progress |
| November | 89.3% | – | – |
| December | 74.2% | – | – |
| Year-to-date average (Jan–Jul) | 73.7% | 79.0% | ▲ 7.1% |
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 | 3 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 0 | ▼ 100.0% |
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 99.0% 509
- Cancelled 1.0% 5
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 |
|---|---|---|---|---|
| OAK SAN Oakland San Francisco Bay Airport – San Diego International Airport | 718 | 13.5 min | 81.0% | 64 |
| OGG HNL Kahului International Airport – Daniel K. Inouye International Airport | 162 | -5.3 min | 98.3% | 58 |
| PHX SNA Phoenix Sky Harbor International Airport – John Wayne Orange County International Airport | 544 | 11.8 min | 70.2% | 57 |
| STL CMH St. Louis Lambert International Airport – John Glenn Columbus International Airport | 657 | 5.8 min | 90.0% | 50 |
| LAS SAN Harry Reid International Airport – San Diego International Airport | 417 | 42.2 min | 39.5% | 44 |
| MSP MDW Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – Chicago Midway International Airport | 560 | -1.9 min | 96.8% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 68.8% | 0 |
| November 2024 | 40 | 40 | 72.5% | 0 |
| December 2024 | 12 | 12 | 58.3% | 0 |
| January 2025 | 20 | 17 | 88.2% | 3 |
| February 2025 | 9 | 9 | 88.9% | 0 |
| March 2025 | 16 | 16 | 81.3% | 0 |
| April 2025 | 10 | 10 | 100.0% | 0 |
| May 2025 | 9 | 9 | 88.9% | 0 |
| June 2025 | 47 | 46 | 41.3% | 1 |
| July 2025 | 51 | 51 | 27.5% | 0 |
| August 2025 | 35 | 35 | 82.9% | 0 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 31 | 31 | 96.8% | 0 |
| November 2025 | 29 | 28 | 89.3% | 1 |
| December 2025 | 31 | 31 | 74.2% | 0 |
| January 2026 | 5 | 5 | 80.0% | 0 |
| February 2026 | 3 | 3 | 100.0% | 0 |
| March 2026 | 11 | 11 | 54.6% | 0 |
| April 2026 | 26 | 26 | 80.8% | 0 |
| May 2026 | 30 | 30 | 56.7% | 0 |
| June 2026 | 26 | 26 | 80.8% | 0 |
| July 2026 | 27 | 27 | 100.0% | 0 |