WN4111
WN4111 (Southwest Airlines) is a multi-stop service on 28 routes, busiest San Diego to San Antonio. Of 411 departures recorded from October 2024 to July 2026, 61.3% left on time, according to the US BTS.
- On-time departures61.3%of 411 flights
- Average delay19.0 min
- July 202637
- Cancelled0.0%
- Legs flown under this number28
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 | 7 | 3 | ▼ 57.1% |
| February | 12 | 19 | ▲ 58.3% |
| March | 10 | 30 | ▲ 200.0% |
| April | 24 | 30 | ▲ 25.0% |
| May | 31 | 31 | 0.0% |
| June | 4 | 34 | ▲ 750.0% |
| July | – | 37 | – |
| August | 15 | – | – |
| September | 17 | – | – |
| October | 30 | – | in progress |
| November | 2 | – | – |
| December | 17 | – | – |
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 | 42.9% | 66.7% | ▲ 55.6% |
| February | 75.0% | 42.1% | ▼ 43.9% |
| March | 80.0% | 90.0% | ▲ 12.5% |
| April | 79.2% | 73.3% | ▼ 7.4% |
| May | 80.7% | 54.8% | ▼ 32.0% |
| June | 100.0% | 20.6% | ▼ 79.4% |
| July | – | 18.9% | – |
| August | 53.3% | – | – |
| September | 35.3% | – | – |
| October | 43.3% | – | in progress |
| November | 100.0% | – | – |
| December | 76.5% | – | – |
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 | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| 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 100.0% 411
- Cancelled 0.0% 0
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SAN SAT San Diego International Airport – San Antonio International Airport | 1,814 | 19.2 min | 60.3% | 58 |
| HOU TPA William P. Hobby Airport – Tampa International Airport | 1,255 | 9.9 min | 82.5% | 57 |
| BNA SAN Nashville International Airport – San Diego International Airport | 2,812 | 34.0 min | 26.2% | 42 |
| BNA BWI Nashville International Airport – Baltimore/Washington International Thurgood Marshall Airport | 944 | 22.3 min | 52.4% | 42 |
| OGG LAS Kahului International Airport – Harry Reid International Airport | 4,334 | -3.8 min | 96.9% | 32 |
| PHX SFO Phoenix Sky Harbor International Airport – San Francisco International Airport | 1,047 | 28.2 min | 45.2% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 13 | 13 | 92.3% | 0 |
| November 2024 | 29 | 29 | 96.6% | 0 |
| December 2024 | 16 | 16 | 75.0% | 0 |
| January 2025 | 7 | 7 | 42.9% | 0 |
| February 2025 | 12 | 12 | 75.0% | 0 |
| March 2025 | 10 | 10 | 80.0% | 0 |
| April 2025 | 24 | 24 | 79.2% | 0 |
| May 2025 | 31 | 31 | 80.7% | 0 |
| June 2025 | 4 | 4 | 100.0% | 0 |
| August 2025 | 15 | 15 | 53.3% | 0 |
| September 2025 | 17 | 17 | 35.3% | 0 |
| October 2025 | 30 | 30 | 43.3% | 0 |
| November 2025 | 2 | 2 | 100.0% | 0 |
| December 2025 | 17 | 17 | 76.5% | 0 |
| January 2026 | 3 | 3 | 66.7% | 0 |
| February 2026 | 19 | 19 | 42.1% | 0 |
| March 2026 | 30 | 30 | 90.0% | 0 |
| April 2026 | 30 | 30 | 73.3% | 0 |
| May 2026 | 31 | 31 | 54.8% | 0 |
| June 2026 | 34 | 34 | 20.6% | 0 |
| July 2026 | 37 | 37 | 18.9% | 0 |