WN3916
WN3916 (Southwest Airlines) is a multi-stop service on 25 routes, busiest Baltimore to Houston. Of 396 departures recorded from October 2024 to July 2026, 75.3% left on time, according to the US BTS.
- On-time departures75.3%of 396 flights
- Average delay12.0 min
- July 202617
- Cancelled0.8%
- Legs flown under this number25
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 2 | 0.0% |
| February | 10 | – | – |
| March | 8 | 38 | ▲ 375.0% |
| April | 25 | 48 | ▲ 92.0% |
| May | 31 | 48 | ▲ 54.8% |
| June | 4 | 22 | ▲ 450.0% |
| July | – | 17 | – |
| August | 24 | – | – |
| September | 26 | – | – |
| October | 18 | – | in progress |
| November | 23 | – | – |
| December | 21 | – | – |
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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 50.0% | ▼ 50.0% |
| February | 66.7% | – | – |
| March | 100.0% | 56.8% | ▼ 43.2% |
| April | 62.5% | 81.3% | ▲ 30.0% |
| May | 41.9% | 79.2% | ▲ 88.8% |
| June | 75.0% | 90.9% | ▲ 21.2% |
| July | – | 94.1% | – |
| August | 75.0% | – | – |
| September | 84.6% | – | – |
| October | 77.8% | – | in progress |
| November | 87.0% | – | – |
| December | 76.2% | – | – |
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 periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 1 | – | – |
| March | 0 | 1 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| 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 99.2% 393
- Cancelled 0.8% 3
Share of all recorded flights in the period, all legs. · Oct 12, 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 |
|---|---|---|---|---|
| BWI HOU Baltimore/Washington International Thurgood Marshall Airport – William P. Hobby Airport | 2,003 | 28.2 min | 52.6% | 58 |
| OKC STL OKC Will Rogers World Airport – St. Louis Lambert International Airport | 742 | 8.4 min | 80.0% | 50 |
| SNA DEN John Wayne Orange County International Airport – Denver International Airport | 1,360 | 7.1 min | 82.2% | 45 |
| SLC AUS Salt Lake City International Airport – Austin Bergstrom International Airport | 1,747 | 10.5 min | 76.2% | 42 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 88.2% | 0 |
| November 2024 | 4 | 4 | 75.0% | 0 |
| December 2024 | 8 | 8 | 75.0% | 0 |
| January 2025 | 2 | 2 | 100.0% | 0 |
| February 2025 | 10 | 9 | 66.7% | 1 |
| March 2025 | 8 | 8 | 100.0% | 0 |
| April 2025 | 25 | 24 | 62.5% | 1 |
| May 2025 | 31 | 31 | 41.9% | 0 |
| June 2025 | 4 | 4 | 75.0% | 0 |
| August 2025 | 24 | 24 | 75.0% | 0 |
| September 2025 | 26 | 26 | 84.6% | 0 |
| October 2025 | 18 | 18 | 77.8% | 0 |
| November 2025 | 23 | 23 | 87.0% | 0 |
| December 2025 | 21 | 21 | 76.2% | 0 |
| January 2026 | 2 | 2 | 50.0% | 0 |
| March 2026 | 38 | 37 | 56.8% | 1 |
| April 2026 | 48 | 48 | 81.3% | 0 |
| May 2026 | 48 | 48 | 79.2% | 0 |
| June 2026 | 22 | 22 | 90.9% | 0 |
| July 2026 | 17 | 17 | 94.1% | 0 |