WN3799
WN3799 (Southwest Airlines) is a multi-stop service on 30 routes, busiest Memphis to Houston. Of 725 departures recorded from October 2024 to July 2026, 73.4% left on time, according to the US BTS.
- On-time departures73.4%of 725 flights
- Average delay11.2 min
- July 202631▼ 8.8%vs July 2025
- Cancelled0.4%
- Legs flown under this number30
according to the US BTS · Oct 13, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 37 | 38 | ▲ 2.7% |
| February | 22 | 36 | ▲ 63.6% |
| March | 57 | 7 | ▼ 87.7% |
| April | 40 | 53 | ▲ 32.5% |
| May | 34 | 64 | ▲ 88.2% |
| June | 35 | 35 | 0.0% |
| July | 34 | 31 | ▼ 8.8% |
| August | 35 | – | – |
| September | 34 | – | – |
| October | 31 | – | in progress |
| November | 44 | – | – |
| December | 37 | – | – |
| Year to date (Jan–Jul) | 259 | 264 | ▲ 1.9% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 94.6% | 89.5% | ▼ 5.4% |
| February | 77.3% | 66.7% | ▼ 13.7% |
| March | 66.1% | 85.7% | ▲ 29.7% |
| April | 82.5% | 86.8% | ▲ 5.2% |
| May | 82.4% | 68.8% | ▼ 16.5% |
| June | 74.3% | 48.6% | ▼ 34.6% |
| July | 53.1% | 67.7% | ▲ 27.5% |
| August | 85.7% | – | – |
| September | 82.4% | – | – |
| October | 54.8% | – | in progress |
| November | 59.1% | – | – |
| December | 73.0% | – | – |
| Year-to-date average (Jan–Jul) | 75.7% | 73.4% | ▼ 3.1% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 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 | 0 | – |
| June | 0 | 0 | – |
| July | 2 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 0 | ▼ 100.0% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.6% 722
- Cancelled 0.4% 3
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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MEM HOU Frederick W. Smith International Airport – William P. Hobby Airport | 780 | 9.4 min | 73.3% | 60 |
| STL MCO St. Louis Lambert International Airport – Orlando International Airport | 1,420 | 9.8 min | 74.1% | 58 |
| SMF MCO Sacramento International Airport – Orlando International Airport | 3,869 | 17.1 min | 55.2% | 58 |
| LAS LAX Harry Reid International Airport – Los Angeles International Airport | 380 | 11.0 min | 77.2% | 57 |
| BNA MSP Nashville International Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 1,119 | 10.5 min | 86.0% | 57 |
| DAL OAK Dallas Love Field – Oakland San Francisco Bay Airport | 2,358 | 31.4 min | 42.4% | 34 |
| PSP SMF Palm Springs International Airport – Sacramento International Airport | 707 | 15.7 min | 63.6% | 33 |
| MCI DEN Kansas City International Airport – Denver International Airport | 855 | 20.5 min | 51.6% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 81.3% | 0 |
| November 2024 | 3 | 3 | 100.0% | 0 |
| December 2024 | 2 | 2 | 50.0% | 0 |
| January 2025 | 37 | 37 | 94.6% | 0 |
| February 2025 | 22 | 22 | 77.3% | 0 |
| March 2025 | 57 | 56 | 66.1% | 1 |
| April 2025 | 40 | 40 | 82.5% | 0 |
| May 2025 | 34 | 34 | 82.4% | 0 |
| June 2025 | 35 | 35 | 74.3% | 0 |
| July 2025 | 34 | 32 | 53.1% | 2 |
| August 2025 | 35 | 35 | 85.7% | 0 |
| September 2025 | 34 | 34 | 82.4% | 0 |
| October 2025 | 31 | 31 | 54.8% | 0 |
| November 2025 | 44 | 44 | 59.1% | 0 |
| December 2025 | 37 | 37 | 73.0% | 0 |
| January 2026 | 38 | 38 | 89.5% | 0 |
| February 2026 | 36 | 36 | 66.7% | 0 |
| March 2026 | 7 | 7 | 85.7% | 0 |
| April 2026 | 53 | 53 | 86.8% | 0 |
| May 2026 | 64 | 64 | 68.8% | 0 |
| June 2026 | 35 | 35 | 48.6% | 0 |
| July 2026 | 31 | 31 | 67.7% | 0 |