WN4624
WN4624 (Southwest Airlines) is a multi-stop service on 10 routes, busiest Phoenix to San Antonio. Of 344 departures recorded from October 2024 to July 2026, 68.1% left on time, according to the US BTS.
- On-time departures68.1%of 344 flights
- Average delay19.6 min
- July 202630▲ 76.5%vs July 2025
- Cancelled3.5%
- Legs flown under this number10
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 | 26 | 29 | ▲ 11.5% |
| February | 24 | 28 | ▲ 16.7% |
| March | 12 | 31 | ▲ 158.3% |
| April | 13 | 6 | ▼ 53.8% |
| May | 12 | – | – |
| June | 19 | 27 | ▲ 42.1% |
| July | 17 | 30 | ▲ 76.5% |
| August | 3 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 4 | – | – |
| December | 11 | – | – |
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 | 83.3% | 92.6% | ▲ 11.1% |
| February | 95.8% | 70.4% | ▼ 26.6% |
| March | 83.3% | 67.7% | ▼ 18.7% |
| April | 92.3% | 83.3% | ▼ 9.7% |
| May | 75.0% | – | – |
| June | 52.9% | 48.2% | ▼ 9.0% |
| July | 41.7% | 16.7% | ▼ 60.0% |
| August | 66.7% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 75.0% | – | – |
| December | 72.7% | – | – |
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 | 2 | 2 | 0.0% |
| February | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | – | – |
| June | 2 | 0 | ▼ 100.0% |
| July | 5 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | – | – | – |
| October | – | – | 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 96.5% 332
- Cancelled 3.5% 12
Share of all recorded flights in the period, all legs. · Oct 12, 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 |
|---|---|---|---|---|
| PHX SAT Phoenix Sky Harbor International Airport – San Antonio International Airport | 1,354 | 9.8 min | 81.2% | 87 |
| BWI CLE Baltimore/Washington International Thurgood Marshall Airport – Cleveland Hopkins International Airport | 505 | 7.5 min | 80.0% | 58 |
| BNA JAX Nashville International Airport – Jacksonville International Airport | 779 | 46.7 min | 31.6% | 57 |
| STL LGA St. Louis Lambert International Airport – LaGuardia Airport | 1,426 | 43.7 min | 44.8% | 36 |
| PHX OAK Phoenix Sky Harbor International Airport – Oakland San Francisco Bay Airport | 1,039 | 15.5 min | 69.7% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 76.5% | 0 |
| November 2024 | 20 | 20 | 65.0% | 0 |
| December 2024 | 15 | 15 | 73.3% | 0 |
| January 2025 | 26 | 24 | 83.3% | 2 |
| February 2025 | 24 | 24 | 95.8% | 0 |
| March 2025 | 12 | 12 | 83.3% | 0 |
| April 2025 | 13 | 13 | 92.3% | 0 |
| May 2025 | 12 | 12 | 75.0% | 0 |
| June 2025 | 19 | 17 | 52.9% | 2 |
| July 2025 | 17 | 12 | 41.7% | 5 |
| August 2025 | 3 | 3 | 66.7% | 0 |
| November 2025 | 4 | 4 | 75.0% | 0 |
| December 2025 | 11 | 11 | 72.7% | 0 |
| January 2026 | 29 | 27 | 92.6% | 2 |
| February 2026 | 28 | 27 | 70.4% | 1 |
| March 2026 | 31 | 31 | 67.7% | 0 |
| April 2026 | 6 | 6 | 83.3% | 0 |
| June 2026 | 27 | 27 | 48.2% | 0 |
| July 2026 | 30 | 30 | 16.7% | 0 |