WN4959
WN4959 (Southwest Airlines) is a multi-stop service on 6 routes, busiest New York to Nashville. Of 153 departures recorded from October 2025 to July 2026, 78.4% left on time, according to the US BTS.
- On-time departures78.4%of 153 flights
- Average delay9.9 min
- July 202623
- Cancelled3.3%
- Legs flown under this number6
Recorded departures by month
Short series — WN4959 has only 7 months so far. Enough to show the level now, not enough to read a trend.
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods7 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 31 | – |
| February | – | 43 | – |
| March | – | 6 | – |
| April | – | – | – |
| May | – | – | – |
| June | – | 23 | – |
| July | – | 23 | – |
| August | – | – | – |
| September | – | – | – |
| October | 26 | – | in progress |
| November | 1 | – | – |
| December | – | – | – |
according to the US BTS · October 2025 → July 2026
On-time departures by month
Short series — WN4959 has only 7 months so far. Enough to show the level now, not enough to read a trend.
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 periods7 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 92.6% | – |
| February | – | 71.4% | – |
| March | – | 66.7% | – |
| April | – | – | – |
| May | – | – | – |
| June | – | 82.6% | – |
| July | – | 56.5% | – |
| August | – | – | – |
| September | – | – | – |
| October | 96.2% | – | in progress |
| November | 0.0% | – | – |
| December | – | – | – |
according to the US BTS · October 2025 → July 2026
Average departure delay by month
Short series — WN4959 has only 7 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
according to the US BTS · October 2025 → July 2026
Cancelled departures by month
Short series — WN4959 has only 7 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods7 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 4 | – |
| February | – | 1 | – |
| March | – | 0 | – |
| April | – | – | – |
| May | – | – | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | – | – | – |
according to the US BTS · October 2025 → 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 96.7% 148
- Cancelled 3.3% 5
Share of all recorded flights in the period, all legs. · Oct 2, 2025 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LGA BNA LaGuardia Airport – Nashville International Airport | 1,228 | 6.8 min | 82.0% | 53 |
| SJU MCO Luis Munoz Marin International Airport – Orlando International Airport | 1,913 | 15.6 min | 69.6% | 46 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2025 | 26 | 26 | 96.2% | 0 |
| November 2025 | 1 | 1 | 0.0% | 0 |
| January 2026 | 31 | 27 | 92.6% | 4 |
| February 2026 | 43 | 42 | 71.4% | 1 |
| March 2026 | 6 | 6 | 66.7% | 0 |
| June 2026 | 23 | 23 | 82.6% | 0 |
| July 2026 | 23 | 23 | 56.5% | 0 |