WN4570
WN4570 (Southwest Airlines) is a multi-stop service on 18 routes, busiest New York to Dallas. Of 290 departures recorded from October 2024 to July 2026, 68.6% left on time, according to the US BTS.
- On-time departures68.6%of 290 flights
- Average delay17.3 min
- July 202631▲ 93.8%vs July 2025
- Cancelled1.0%
- Legs flown under this number18
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 9 | 26 | ▲ 188.9% |
| February | – | 26 | – |
| March | 26 | 4 | ▼ 84.6% |
| April | 16 | – | – |
| May | 9 | 1 | ▼ 88.9% |
| June | 19 | 27 | ▲ 42.1% |
| July | 16 | 31 | ▲ 93.8% |
| August | 3 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
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 periods15 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 55.6% | 92.0% | ▲ 65.6% |
| February | – | 76.9% | – |
| March | 57.7% | 50.0% | ▼ 13.3% |
| April | 81.3% | – | – |
| May | 100.0% | 0.0% | ▼ 100.0% |
| June | 63.2% | 70.4% | ▲ 11.4% |
| July | 62.5% | 53.3% | ▼ 14.7% |
| August | 66.7% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 0.0% | – | – |
| December | 100.0% | – | – |
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 periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | – | 0 | – |
| March | 0 | 0 | – |
| April | 0 | – | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | – | – | 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 99.0% 287
- Cancelled 1.0% 3
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LGA DAL LaGuardia Airport – Dallas Love Field | 2,219 | 20.4 min | 61.4% | 58 |
| BHM DAL Birmingham-Shuttlesworth International Airport – Dallas Love Field | 942 | 7.8 min | 81.5% | 55 |
| SMF PSP Sacramento International Airport – Palm Springs International Airport | 707 | 23.2 min | 60.0% | 35 |
| DEN TUS Denver International Airport – Tucson International Airport | 1,029 | 19.4 min | 57.6% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 94.7% | 0 |
| November 2024 | 27 | 26 | 84.6% | 1 |
| December 2024 | 29 | 29 | 34.5% | 0 |
| January 2025 | 9 | 9 | 55.6% | 0 |
| March 2025 | 26 | 26 | 57.7% | 0 |
| April 2025 | 16 | 16 | 81.3% | 0 |
| May 2025 | 9 | 9 | 100.0% | 0 |
| June 2025 | 19 | 19 | 63.2% | 0 |
| July 2025 | 16 | 16 | 62.5% | 0 |
| August 2025 | 3 | 3 | 66.7% | 0 |
| November 2025 | 1 | 1 | 0.0% | 0 |
| December 2025 | 1 | 1 | 100.0% | 0 |
| January 2026 | 26 | 25 | 92.0% | 1 |
| February 2026 | 26 | 26 | 76.9% | 0 |
| March 2026 | 4 | 4 | 50.0% | 0 |
| May 2026 | 1 | 1 | 0.0% | 0 |
| June 2026 | 27 | 27 | 70.4% | 0 |
| July 2026 | 31 | 30 | 53.3% | 1 |