WN3875
WN3875 (Southwest Airlines) is a multi-stop service on 24 routes, busiest Oakland to Los Angeles. Of 439 departures recorded from October 2024 to July 2026, 83.4% left on time, according to the US BTS.
- On-time departures83.4%of 439 flights
- Average delay6.2 min
- July 20267▼ 58.8%vs July 2025
- Cancelled1.1%
- 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 | 6 | 7 | ▲ 16.7% |
| February | 8 | – | – |
| March | 21 | 27 | ▲ 28.6% |
| April | 17 | 12 | ▼ 29.4% |
| May | 20 | 15 | ▼ 25.0% |
| June | 17 | 11 | ▼ 35.3% |
| July | 17 | 7 | ▼ 58.8% |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 17 | – | in progress |
| November | 35 | – | – |
| December | 44 | – | – |
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 | 66.7% | 100.0% | ▲ 50.0% |
| February | 62.5% | – | – |
| March | 76.2% | 100.0% | ▲ 31.3% |
| April | 70.6% | 91.7% | ▲ 29.9% |
| May | 65.0% | 66.7% | ▲ 2.6% |
| June | 88.2% | 36.4% | ▼ 58.8% |
| July | 88.2% | 85.7% | ▼ 2.9% |
| August | 96.7% | – | – |
| September | 100.0% | – | – |
| October | 88.2% | – | in progress |
| November | 84.9% | – | – |
| December | 81.4% | – | – |
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 | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 1 | – | – |
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 98.9% 434
- Cancelled 1.1% 5
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 25, 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 LAX Oakland San Francisco Bay Airport – Los Angeles International Airport | 543 | 5.0 min | 86.2% | 59 |
| TUL DEN Tulsa International Airport – Denver International Airport | 870 | -3.0 min | 98.3% | 58 |
| SJC SAN Mineta San Jose International Airport – San Diego International Airport | 671 | 4.6 min | 87.5% | 41 |
| RIC MDW Richmond International Airport – Chicago Midway International Airport | 1,011 | 4.6 min | 91.7% | 36 |
| MCO MKE Orlando International Airport – General Mitchell International Airport | 1,719 | -4.4 min | 100.0% | 33 |
| PHX PDX Phoenix Sky Harbor International Airport – Portland International Airport | 1,625 | 12.6 min | 65.6% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 79.0% | 0 |
| November 2024 | 43 | 42 | 83.3% | 1 |
| December 2024 | 36 | 36 | 86.1% | 0 |
| January 2025 | 6 | 6 | 66.7% | 0 |
| February 2025 | 8 | 8 | 62.5% | 0 |
| March 2025 | 21 | 21 | 76.2% | 0 |
| April 2025 | 17 | 17 | 70.6% | 0 |
| May 2025 | 20 | 20 | 65.0% | 0 |
| June 2025 | 17 | 17 | 88.2% | 0 |
| July 2025 | 17 | 17 | 88.2% | 0 |
| August 2025 | 30 | 30 | 96.7% | 0 |
| September 2025 | 30 | 30 | 100.0% | 0 |
| October 2025 | 17 | 17 | 88.2% | 0 |
| November 2025 | 35 | 33 | 84.9% | 2 |
| December 2025 | 44 | 43 | 81.4% | 1 |
| January 2026 | 7 | 7 | 100.0% | 0 |
| March 2026 | 27 | 26 | 100.0% | 1 |
| April 2026 | 12 | 12 | 91.7% | 0 |
| May 2026 | 15 | 15 | 66.7% | 0 |
| June 2026 | 11 | 11 | 36.4% | 0 |
| July 2026 | 7 | 7 | 85.7% | 0 |