WN4029
WN4029 (Southwest Airlines) is a multi-stop service on 20 routes, busiest New York to Dallas. Of 278 departures recorded from October 2024 to July 2026, 64.1% left on time, according to the US BTS.
- On-time departures64.1%of 278 flights
- Average delay19.6 min
- July 202615▲ 275.0%vs July 2025
- Cancelled1.8%
- Legs flown under this number20
Recorded departures by month
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 | 2 | 1 | ▼ 50.0% |
| February | 10 | 7 | ▼ 30.0% |
| March | 10 | 28 | ▲ 180.0% |
| April | 25 | 30 | ▲ 20.0% |
| May | 31 | 31 | 0.0% |
| June | 8 | 7 | ▼ 12.5% |
| July | 4 | 15 | ▲ 275.0% |
| August | 19 | – | – |
| September | 21 | – | – |
| October | 8 | – | in progress |
| November | 2 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 90 | 119 | ▲ 32.2% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
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 | 50.0% | 0.0% | ▼ 100.0% |
| February | 80.0% | 14.3% | ▼ 82.1% |
| March | 37.5% | 55.6% | ▲ 48.2% |
| April | 68.0% | 70.0% | ▲ 2.9% |
| May | 51.6% | 64.5% | ▲ 25.0% |
| June | 62.5% | 28.6% | ▼ 54.3% |
| July | 75.0% | 85.7% | ▲ 14.3% |
| August | 68.4% | – | – |
| September | 65.0% | – | – |
| October | 100.0% | – | in progress |
| November | 100.0% | – | – |
| December | 0.0% | – | – |
| Year-to-date average (Jan–Jul) | 60.7% | 45.5% | ▼ 25.0% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 2 | 1 | ▼ 50.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 2 | 0.0% |
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 98.2% 273
- Cancelled 1.8% 5
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LGA DAL LaGuardia Airport – Dallas Love Field | 2,219 | 24.4 min | 62.1% | 58 |
| ROC BWI Frederick Douglass Greater Rochester International Airport – Baltimore/Washington International Thurgood Marshall Airport | 447 | 11.7 min | 64.9% | 57 |
| PHX DAL Phoenix Sky Harbor International Airport – Dallas Love Field | 1,412 | 16.8 min | 65.8% | 39 |
| MKE TPA General Mitchell International Airport – Tampa International Airport | 1,733 | 24.2 min | 62.5% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 13 | 13 | 100.0% | 0 |
| November 2024 | 2 | 2 | 50.0% | 0 |
| December 2024 | 2 | 2 | 50.0% | 0 |
| January 2025 | 2 | 2 | 50.0% | 0 |
| February 2025 | 10 | 10 | 80.0% | 0 |
| March 2025 | 10 | 8 | 37.5% | 2 |
| April 2025 | 25 | 25 | 68.0% | 0 |
| May 2025 | 31 | 31 | 51.6% | 0 |
| June 2025 | 8 | 8 | 62.5% | 0 |
| July 2025 | 4 | 4 | 75.0% | 0 |
| August 2025 | 19 | 19 | 68.4% | 0 |
| September 2025 | 21 | 20 | 65.0% | 1 |
| October 2025 | 8 | 8 | 100.0% | 0 |
| November 2025 | 2 | 2 | 100.0% | 0 |
| December 2025 | 2 | 2 | 0.0% | 0 |
| January 2026 | 1 | 1 | 0.0% | 0 |
| February 2026 | 7 | 7 | 14.3% | 0 |
| March 2026 | 28 | 27 | 55.6% | 1 |
| April 2026 | 30 | 30 | 70.0% | 0 |
| May 2026 | 31 | 31 | 64.5% | 0 |
| June 2026 | 7 | 7 | 28.6% | 0 |
| July 2026 | 15 | 14 | 85.7% | 1 |