WN4026
WN4026 (Southwest Airlines) is a multi-stop service on 31 routes, busiest Sacramento to Phoenix. Of 431 departures recorded from October 2024 to July 2026, 75.9% left on time, according to the US BTS.
- On-time departures75.9%of 431 flights
- Average delay13.9 min
- July 202617▼ 45.2%vs July 2025
- Cancelled0.7%
- Legs flown under this number31
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 | 1 | 6 | ▲ 500.0% |
| February | 10 | 20 | ▲ 100.0% |
| March | 34 | 33 | ▼ 2.9% |
| April | 9 | 31 | ▲ 244.4% |
| May | – | 30 | – |
| June | 26 | 18 | ▼ 30.8% |
| July | 31 | 17 | ▼ 45.2% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 63 | – | in progress |
| November | 9 | – | – |
| December | 22 | – | – |
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 | 100.0% | 66.7% | ▼ 33.3% |
| February | 90.0% | 70.0% | ▼ 22.2% |
| March | 72.7% | 51.5% | ▼ 29.2% |
| April | 55.6% | 77.4% | ▲ 39.3% |
| May | – | 96.7% | – |
| June | 76.0% | 50.0% | ▼ 34.2% |
| July | 83.9% | 64.7% | ▼ 22.8% |
| August | 87.1% | – | – |
| September | 96.6% | – | – |
| October | 66.7% | – | in progress |
| November | 77.8% | – | – |
| December | 90.9% | – | – |
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 | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | – | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 1 | – | – |
| 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 99.3% 428
- Cancelled 0.7% 3
Share of all recorded flights in the period, all legs. · Oct 15, 2024 → Jul 29, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SMF PHX Sacramento International Airport – Phoenix Sky Harbor International Airport | 1,040 | -1.3 min | 96.5% | 58 |
| JAX MDW Jacksonville International Airport – Chicago Midway International Airport | 1,368 | 6.5 min | 89.5% | 57 |
| OAK BUR Oakland San Francisco Bay Airport – Hollywood Burbank/Bob Hope Airport | 523 | 7.3 min | 78.4% | 52 |
| CMH BWI John Glenn Columbus International Airport – Baltimore/Washington International Thurgood Marshall Airport | 541 | 27.6 min | 57.6% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 6 | 6 | 100.0% | 0 |
| November 2024 | 2 | 2 | 100.0% | 0 |
| December 2024 | 2 | 2 | 50.0% | 0 |
| January 2025 | 1 | 1 | 100.0% | 0 |
| February 2025 | 10 | 10 | 90.0% | 0 |
| March 2025 | 34 | 33 | 72.7% | 1 |
| April 2025 | 9 | 9 | 55.6% | 0 |
| June 2025 | 26 | 25 | 76.0% | 1 |
| July 2025 | 31 | 31 | 83.9% | 0 |
| August 2025 | 31 | 31 | 87.1% | 0 |
| September 2025 | 30 | 29 | 96.6% | 1 |
| October 2025 | 63 | 63 | 66.7% | 0 |
| November 2025 | 9 | 9 | 77.8% | 0 |
| December 2025 | 22 | 22 | 90.9% | 0 |
| January 2026 | 6 | 6 | 66.7% | 0 |
| February 2026 | 20 | 20 | 70.0% | 0 |
| March 2026 | 33 | 33 | 51.5% | 0 |
| April 2026 | 31 | 31 | 77.4% | 0 |
| May 2026 | 30 | 30 | 96.7% | 0 |
| June 2026 | 18 | 18 | 50.0% | 0 |
| July 2026 | 17 | 17 | 64.7% | 0 |