WN4936
WN4936 (Southwest Airlines) is a multi-stop service on 15 routes, busiest Santa Ana to San Jose. Of 215 departures recorded from October 2024 to July 2026, 68.1% left on time, according to the US BTS.
- On-time departures68.1%of 215 flights
- Average delay15.5 min
- July 202630
- Cancelled2.3%
- Legs flown under this number15
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 21 | 1 | ▼ 95.2% |
| February | 21 | 17 | ▼ 19.0% |
| March | 4 | 5 | ▲ 25.0% |
| April | 3 | 1 | ▼ 66.7% |
| May | 4 | – | – |
| June | 1 | 27 | ▲ 2,600.0% |
| July | – | 30 | – |
| August | – | – | – |
| September | – | – | – |
| October | 26 | – | in progress |
| November | 12 | – | – |
| 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 periods15 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 85.7% | 100.0% | ▲ 16.7% |
| February | 71.4% | 70.6% | ▼ 1.2% |
| March | 100.0% | 60.0% | ▼ 40.0% |
| April | 100.0% | 100.0% | 0.0% |
| May | 50.0% | – | – |
| June | 100.0% | 45.8% | ▼ 54.2% |
| July | – | 62.1% | – |
| August | – | – | – |
| September | – | – | – |
| October | 76.0% | – | in progress |
| November | 66.7% | – | – |
| 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 periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | – | – |
| June | 0 | 3 | – |
| July | – | 1 | – |
| August | – | – | – |
| September | – | – | – |
| October | 1 | – | 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 97.7% 210
- Cancelled 2.3% 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
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SNA SJC John Wayne Orange County International Airport – Mineta San Jose International Airport | 550 | 20.5 min | 56.3% | 68 |
| LAX OAK Los Angeles International Airport – Oakland San Francisco Bay Airport | 543 | 9.6 min | 69.7% | 66 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 3 | 3 | 33.3% | 0 |
| November 2024 | 21 | 21 | 66.7% | 0 |
| December 2024 | 14 | 14 | 57.1% | 0 |
| January 2025 | 21 | 21 | 85.7% | 0 |
| February 2025 | 21 | 21 | 71.4% | 0 |
| March 2025 | 4 | 4 | 100.0% | 0 |
| April 2025 | 3 | 3 | 100.0% | 0 |
| May 2025 | 4 | 4 | 50.0% | 0 |
| June 2025 | 1 | 1 | 100.0% | 0 |
| October 2025 | 26 | 25 | 76.0% | 1 |
| November 2025 | 12 | 12 | 66.7% | 0 |
| December 2025 | 4 | 4 | 100.0% | 0 |
| January 2026 | 1 | 1 | 100.0% | 0 |
| February 2026 | 17 | 17 | 70.6% | 0 |
| March 2026 | 5 | 5 | 60.0% | 0 |
| April 2026 | 1 | 1 | 100.0% | 0 |
| June 2026 | 27 | 24 | 45.8% | 3 |
| July 2026 | 30 | 29 | 62.1% | 1 |