WN3496
WN3496 (Southwest Airlines) is a multi-stop service on 24 routes, busiest Houston to Sacramento. Of 638 departures recorded from October 2024 to July 2026, 71.0% left on time, according to the US BTS.
- On-time departures71.0%of 638 flights
- Average delay17.1 min
- July 202648▲ 860.0%vs July 2025
- Cancelled0.6%
- Legs flown under this number24
according to the US BTS · Oct 12, 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 | 30 | 31 | ▲ 3.3% |
| February | 26 | 28 | ▲ 7.7% |
| March | 30 | 69 | ▲ 130.0% |
| April | 24 | 25 | ▲ 4.2% |
| May | 22 | 13 | ▼ 40.9% |
| June | 7 | 45 | ▲ 542.9% |
| July | 5 | 48 | ▲ 860.0% |
| August | 28 | – | – |
| September | 30 | – | – |
| October | 62 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 144 | 259 | ▲ 79.9% |
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 | 82.1% | 77.4% | ▼ 5.7% |
| February | 84.6% | 60.7% | ▼ 28.3% |
| March | 86.7% | 72.5% | ▼ 16.4% |
| April | 75.0% | 80.0% | ▲ 6.7% |
| May | 63.6% | 76.9% | ▲ 20.9% |
| June | 85.7% | 13.3% | ▼ 84.4% |
| July | 100.0% | 20.8% | ▼ 79.2% |
| August | 100.0% | – | – |
| September | 86.7% | – | – |
| October | 74.2% | – | in progress |
| November | 96.6% | – | – |
| December | 96.7% | – | – |
| Year-to-date average (Jan–Jul) | 82.5% | 57.4% | ▼ 30.5% |
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 | 2 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 2 | 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 99.4% 634
- Cancelled 0.6% 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
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| HOU SMF William P. Hobby Airport – Sacramento International Airport | 2,610 | 5.7 min | 84.0% | 96 |
| LIH HNL Lihue Airport – Daniel K. Inouye International Airport | 163 | -0.8 min | 96.8% | 64 |
| SMF MDW Sacramento International Airport – Chicago Midway International Airport | 2,874 | 4.8 min | 93.1% | 58 |
| SFO AUS San Francisco International Airport – Austin Bergstrom International Airport | 2,417 | 19.3 min | 67.2% | 58 |
| SAN DEN San Diego International Airport – Denver International Airport | 1,371 | 66.9 min | 13.8% | 58 |
| BWI MHT Baltimore/Washington International Thurgood Marshall Airport – Manchester-Boston Regional Airport | 606 | 16.5 min | 66.7% | 42 |
| HNL OAK Daniel K. Inouye International Airport – Oakland San Francisco Bay Airport | 3,874 | 2.7 min | 87.9% | 33 |
| SNA SJC John Wayne Orange County International Airport – Mineta San Jose International Airport | 550 | 10.2 min | 81.8% | 33 |
| AUS DEN Austin Bergstrom International Airport – Denver International Airport | 1,249 | 13.0 min | 66.7% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 16 | 62.5% | 1 |
| November 2024 | 14 | 14 | 85.7% | 0 |
| December 2024 | 24 | 24 | 83.3% | 0 |
| January 2025 | 30 | 28 | 82.1% | 2 |
| February 2025 | 26 | 26 | 84.6% | 0 |
| March 2025 | 30 | 30 | 86.7% | 0 |
| April 2025 | 24 | 24 | 75.0% | 0 |
| May 2025 | 22 | 22 | 63.6% | 0 |
| June 2025 | 7 | 7 | 85.7% | 0 |
| July 2025 | 5 | 5 | 100.0% | 0 |
| August 2025 | 28 | 28 | 100.0% | 0 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 62 | 62 | 74.2% | 0 |
| November 2025 | 29 | 29 | 96.6% | 0 |
| December 2025 | 31 | 30 | 96.7% | 1 |
| January 2026 | 31 | 31 | 77.4% | 0 |
| February 2026 | 28 | 28 | 60.7% | 0 |
| March 2026 | 69 | 69 | 72.5% | 0 |
| April 2026 | 25 | 25 | 80.0% | 0 |
| May 2026 | 13 | 13 | 76.9% | 0 |
| June 2026 | 45 | 45 | 13.3% | 0 |
| July 2026 | 48 | 48 | 20.8% | 0 |