WN4758
WN4758 (Southwest Airlines) is a multi-stop service on 23 routes, busiest Houston to Salt Lake City. Of 332 departures recorded from October 2024 to July 2026, 62.5% left on time, according to the US BTS.
- On-time departures62.5%of 332 flights
- Average delay28.2 min
- July 202655▲ 77.4%vs July 2025
- Cancelled0.3%
- Legs flown under this number23
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 | – | 12 | – |
| February | 2 | 19 | ▲ 850.0% |
| March | 4 | 23 | ▲ 475.0% |
| April | 1 | 5 | ▲ 400.0% |
| May | 12 | – | – |
| June | 27 | 47 | ▲ 74.1% |
| July | 31 | 55 | ▲ 77.4% |
| August | 23 | – | – |
| September | 23 | – | – |
| October | – | – | in progress |
| November | 12 | – | – |
| December | 25 | – | – |
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 | – | 91.7% | – |
| February | 100.0% | 89.5% | ▼ 10.5% |
| March | 50.0% | 47.8% | ▼ 4.3% |
| April | 0.0% | 80.0% | – |
| May | 100.0% | – | – |
| June | 66.7% | 23.4% | ▼ 64.9% |
| July | 74.2% | 31.5% | ▼ 57.6% |
| August | 95.7% | – | – |
| September | 95.7% | – | – |
| October | – | – | in progress |
| November | 66.7% | – | – |
| December | 68.0% | – | – |
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 periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | – | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| 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 99.7% 331
- Cancelled 0.3% 1
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| HOU SLC William P. Hobby Airport – Salt Lake City International Airport | 1,953 | 12.3 min | 70.5% | 61 |
| DEN MCI Denver International Airport – Kansas City International Airport | 855 | 65.7 min | 26.0% | 50 |
| BNA DEN Nashville International Airport – Denver International Airport | 1,628 | -3.3 min | 100.0% | 32 |
| SAT LAS San Antonio International Airport – Harry Reid International Airport | 1,718 | 4.8 min | 93.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 10 | 10 | 90.0% | 0 |
| November 2024 | 1 | 1 | 100.0% | 0 |
| February 2025 | 2 | 2 | 100.0% | 0 |
| March 2025 | 4 | 4 | 50.0% | 0 |
| April 2025 | 1 | 1 | 0.0% | 0 |
| May 2025 | 12 | 12 | 100.0% | 0 |
| June 2025 | 27 | 27 | 66.7% | 0 |
| July 2025 | 31 | 31 | 74.2% | 0 |
| August 2025 | 23 | 23 | 95.7% | 0 |
| September 2025 | 23 | 23 | 95.7% | 0 |
| November 2025 | 12 | 12 | 66.7% | 0 |
| December 2025 | 25 | 25 | 68.0% | 0 |
| January 2026 | 12 | 12 | 91.7% | 0 |
| February 2026 | 19 | 19 | 89.5% | 0 |
| March 2026 | 23 | 23 | 47.8% | 0 |
| April 2026 | 5 | 5 | 80.0% | 0 |
| June 2026 | 47 | 47 | 23.4% | 0 |
| July 2026 | 55 | 54 | 31.5% | 1 |