WN4147
WN4147 (Southwest Airlines) is a multi-stop service on 21 routes, busiest Dallas to New York. Of 350 departures recorded from October 2024 to July 2026, 73.3% left on time, according to the US BTS.
- On-time departures73.3%of 350 flights
- Average delay13.7 min
- July 202623
- Cancelled0.6%
- Legs flown under this number21
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 | 5 | 1 | ▼ 80.0% |
| February | 12 | 3 | ▼ 75.0% |
| March | 32 | 27 | ▼ 15.6% |
| April | 8 | 30 | ▲ 275.0% |
| May | 1 | 31 | ▲ 3,000.0% |
| June | – | 22 | – |
| July | – | 23 | – |
| August | 19 | – | – |
| September | 22 | – | – |
| October | 72 | – | in progress |
| November | 6 | – | – |
| 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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 60.0% | 0.0% | ▼ 100.0% |
| February | 58.3% | 66.7% | ▲ 14.3% |
| March | 61.3% | 69.2% | ▲ 13.0% |
| April | 62.5% | 96.7% | ▲ 54.7% |
| May | 100.0% | 90.3% | ▼ 9.7% |
| June | – | 27.3% | – |
| July | – | 21.7% | – |
| August | 94.7% | – | – |
| September | 86.4% | – | – |
| October | 88.9% | – | in progress |
| November | 50.0% | – | – |
| 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 periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 1 | 1 | 0.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | – | 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 99.4% 348
- Cancelled 0.6% 2
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DAL LGA Dallas Love Field – LaGuardia Airport | 2,219 | 3.4 min | 93.1% | 58 |
| TPA DEN Tampa International Airport – Denver International Airport | 2,423 | 4.9 min | 88.1% | 42 |
| SAN BNA San Diego International Airport – Nashville International Airport | 2,812 | 36.8 min | 19.1% | 42 |
| ORD FLL Chicago O'Hare International Airport – Fort Lauderdale Hollywood International Airport | 1,905 | 11.4 min | 75.0% | 33 |
| BWI DTW Baltimore/Washington International Thurgood Marshall Airport – Detroit Metropolitan Wayne County Airport | 657 | 2.7 min | 93.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 9 | 9 | 100.0% | 0 |
| November 2024 | 17 | 17 | 70.6% | 0 |
| December 2024 | 8 | 8 | 87.5% | 0 |
| January 2025 | 5 | 5 | 60.0% | 0 |
| February 2025 | 12 | 12 | 58.3% | 0 |
| March 2025 | 32 | 31 | 61.3% | 1 |
| April 2025 | 8 | 8 | 62.5% | 0 |
| May 2025 | 1 | 1 | 100.0% | 0 |
| August 2025 | 19 | 19 | 94.7% | 0 |
| September 2025 | 22 | 22 | 86.4% | 0 |
| October 2025 | 72 | 72 | 88.9% | 0 |
| November 2025 | 6 | 6 | 50.0% | 0 |
| December 2025 | 2 | 2 | 0.0% | 0 |
| January 2026 | 1 | 1 | 0.0% | 0 |
| February 2026 | 3 | 3 | 66.7% | 0 |
| March 2026 | 27 | 26 | 69.2% | 1 |
| April 2026 | 30 | 30 | 96.7% | 0 |
| May 2026 | 31 | 31 | 90.3% | 0 |
| June 2026 | 22 | 22 | 27.3% | 0 |
| July 2026 | 23 | 23 | 21.7% | 0 |