WN3910
WN3910 (Southwest Airlines) is a multi-stop service on 25 routes, busiest Birmingham to Dallas. Of 507 departures recorded from October 2024 to July 2026, 73.0% left on time, according to the US BTS.
- On-time departures73.0%of 507 flights
- Average delay13.1 min
- July 202628▼ 9.7%vs July 2025
- Cancelled1.4%
- 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 periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 12 | 32 | ▲ 166.7% |
| February | 23 | 36 | ▲ 56.5% |
| March | 29 | 44 | ▲ 51.7% |
| April | 7 | 34 | ▲ 385.7% |
| May | – | 31 | – |
| June | 26 | 27 | ▲ 3.8% |
| July | 31 | 28 | ▼ 9.7% |
| August | 8 | – | – |
| September | 4 | – | – |
| October | 34 | – | in progress |
| November | 5 | – | – |
| December | 2 | – | – |
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 | 75.0% | 86.7% | ▲ 15.6% |
| February | 82.6% | 69.4% | ▼ 15.9% |
| March | 78.6% | 73.8% | ▼ 6.1% |
| April | 42.9% | 76.5% | ▲ 78.4% |
| May | – | 87.1% | – |
| June | 69.2% | 85.2% | ▲ 23.1% |
| July | 77.4% | 78.6% | ▲ 1.5% |
| August | 75.0% | – | – |
| September | 75.0% | – | – |
| October | 67.7% | – | in progress |
| November | 20.0% | – | – |
| December | 0.0% | – | – |
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 periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 2 | – |
| February | 0 | 0 | – |
| March | 1 | 2 | ▲ 100.0% |
| April | 0 | 0 | – |
| May | – | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 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 98.6% 500
- Cancelled 1.4% 7
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BHM DAL Birmingham-Shuttlesworth International Airport – Dallas Love Field | 942 | 16.2 min | 76.0% | 77 |
| TUS DAL Tucson International Airport – Dallas Love Field | 1,323 | 6.4 min | 82.5% | 58 |
| MDW SAT Chicago Midway International Airport – San Antonio International Airport | 1,668 | 17.9 min | 71.2% | 52 |
| STL DEN St. Louis Lambert International Airport – Denver International Airport | 1,236 | 5.8 min | 84.0% | 50 |
| DAL BOS Dallas Love Field – Boston Logan International Airport | 2,497 | 4.0 min | 94.1% | 34 |
| LAS ELP Harry Reid International Airport – El Paso International Airport | 938 | 16.3 min | 68.8% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 31 | 31 | 64.5% | 0 |
| November 2024 | 28 | 27 | 66.7% | 1 |
| December 2024 | 35 | 34 | 55.9% | 1 |
| January 2025 | 12 | 12 | 75.0% | 0 |
| February 2025 | 23 | 23 | 82.6% | 0 |
| March 2025 | 29 | 28 | 78.6% | 1 |
| April 2025 | 7 | 7 | 42.9% | 0 |
| June 2025 | 26 | 26 | 69.2% | 0 |
| July 2025 | 31 | 31 | 77.4% | 0 |
| August 2025 | 8 | 8 | 75.0% | 0 |
| September 2025 | 4 | 4 | 75.0% | 0 |
| October 2025 | 34 | 34 | 67.7% | 0 |
| November 2025 | 5 | 5 | 20.0% | 0 |
| December 2025 | 2 | 2 | 0.0% | 0 |
| January 2026 | 32 | 30 | 86.7% | 2 |
| February 2026 | 36 | 36 | 69.4% | 0 |
| March 2026 | 44 | 42 | 73.8% | 2 |
| April 2026 | 34 | 34 | 76.5% | 0 |
| May 2026 | 31 | 31 | 87.1% | 0 |
| June 2026 | 27 | 27 | 85.2% | 0 |
| July 2026 | 28 | 28 | 78.6% | 0 |