WN4224
WN4224 (Southwest Airlines) is a multi-stop service on 24 routes, busiest San Diego to Sacramento. Of 335 departures recorded from October 2024 to July 2026, 75.5% left on time, according to the US BTS.
- On-time departures75.5%of 335 flights
- Average delay13.5 min
- July 202626▼ 27.8%vs July 2025
- Cancelled1.2%
- Legs flown under this number24
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 | 1 | 5 | ▲ 400.0% |
| February | 10 | 1 | ▼ 90.0% |
| March | 2 | 1 | ▼ 50.0% |
| April | 6 | 14 | ▲ 133.3% |
| May | 9 | 17 | ▲ 88.9% |
| June | 29 | 25 | ▼ 13.8% |
| July | 36 | 26 | ▼ 27.8% |
| August | 49 | – | – |
| September | 51 | – | – |
| October | 2 | – | in progress |
| November | 15 | – | – |
| December | 14 | – | – |
| Year to date (Jan–Jul) | 93 | 89 | ▼ 4.3% |
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 | 100.0% | 60.0% | ▼ 40.0% |
| February | 60.0% | 100.0% | ▲ 66.7% |
| March | 100.0% | 0.0% | ▼ 100.0% |
| April | 100.0% | 92.9% | ▼ 7.1% |
| May | 66.7% | 75.0% | ▲ 12.5% |
| June | 51.7% | 88.0% | ▲ 70.1% |
| July | 68.6% | 92.0% | ▲ 34.2% |
| August | 73.5% | – | – |
| September | 88.2% | – | – |
| October | 100.0% | – | in progress |
| November | 64.3% | – | – |
| December | 28.6% | – | – |
| Year-to-date average (Jan–Jul) | 78.1% | 72.6% | ▼ 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 | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 1 | 1 | 0.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 2 | ▲ 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 98.8% 331
- Cancelled 1.2% 4
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SAN SMF San Diego International Airport – Sacramento International Airport | 773 | 6.7 min | 84.5% | 58 |
| MSY LGA Louis Armstrong New Orleans International Airport – LaGuardia Airport | 1,904 | 31.7 min | 52.0% | 51 |
| ELP PHX El Paso International Airport – Phoenix Sky Harbor International Airport | 557 | 3.6 min | 89.6% | 49 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 100.0% | 0 |
| November 2024 | 4 | 4 | 100.0% | 0 |
| December 2024 | 2 | 2 | 0.0% | 0 |
| January 2025 | 1 | 1 | 100.0% | 0 |
| February 2025 | 10 | 10 | 60.0% | 0 |
| March 2025 | 2 | 2 | 100.0% | 0 |
| April 2025 | 6 | 6 | 100.0% | 0 |
| May 2025 | 9 | 9 | 66.7% | 0 |
| June 2025 | 29 | 29 | 51.7% | 0 |
| July 2025 | 36 | 35 | 68.6% | 1 |
| August 2025 | 49 | 49 | 73.5% | 0 |
| September 2025 | 51 | 51 | 88.2% | 0 |
| October 2025 | 2 | 2 | 100.0% | 0 |
| November 2025 | 15 | 14 | 64.3% | 1 |
| December 2025 | 14 | 14 | 28.6% | 0 |
| January 2026 | 5 | 5 | 60.0% | 0 |
| February 2026 | 1 | 1 | 100.0% | 0 |
| March 2026 | 1 | 1 | 0.0% | 0 |
| April 2026 | 14 | 14 | 92.9% | 0 |
| May 2026 | 17 | 16 | 75.0% | 1 |
| June 2026 | 25 | 25 | 88.0% | 0 |
| July 2026 | 26 | 25 | 92.0% | 1 |