WN4976
WN4976 (Southwest Airlines) is a multi-stop service on 6 routes, busiest Las Vegas to New Orleans. Of 169 departures recorded from October 2024 to July 2026, 88.0% left on time, according to the US BTS.
- On-time departures88.0%of 169 flights
- Average delay5.9 min
- July 202630
- Cancelled1.2%
- Legs flown under this number6
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods12 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 23 | 5 | ▼ 78.3% |
| February | 26 | 18 | ▼ 30.8% |
| March | 5 | 2 | ▼ 60.0% |
| April | 3 | – | – |
| May | 3 | – | – |
| June | 1 | 27 | ▲ 2,600.0% |
| July | – | 30 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 1 | – | – |
| December | – | – | – |
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 periods12 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 90.5% | 80.0% | ▼ 11.6% |
| February | 84.6% | 50.0% | ▼ 40.9% |
| March | 100.0% | 100.0% | 0.0% |
| April | 66.7% | – | – |
| May | 66.7% | – | – |
| June | 100.0% | 100.0% | 0.0% |
| July | – | 93.3% | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 100.0% | – | – |
| December | – | – | – |
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 periods12 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | – | – |
| May | 0 | – | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 0 | – | – |
| December | – | – | – |
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 98.8% 167
- Cancelled 1.2% 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
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LAS MSY Harry Reid International Airport – Louis Armstrong New Orleans International Airport | 2,409 | 4.3 min | 91.9% | 76 |
| MDW DCA Chicago Midway International Airport – Ronald Reagan Washington National Airport | 964 | -2.1 min | 96.5% | 57 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 3 | 3 | 100.0% | 0 |
| November 2024 | 16 | 16 | 100.0% | 0 |
| December 2024 | 6 | 6 | 100.0% | 0 |
| January 2025 | 23 | 21 | 90.5% | 2 |
| February 2025 | 26 | 26 | 84.6% | 0 |
| March 2025 | 5 | 5 | 100.0% | 0 |
| April 2025 | 3 | 3 | 66.7% | 0 |
| May 2025 | 3 | 3 | 66.7% | 0 |
| June 2025 | 1 | 1 | 100.0% | 0 |
| November 2025 | 1 | 1 | 100.0% | 0 |
| January 2026 | 5 | 5 | 80.0% | 0 |
| February 2026 | 18 | 18 | 50.0% | 0 |
| March 2026 | 2 | 2 | 100.0% | 0 |
| June 2026 | 27 | 27 | 100.0% | 0 |
| July 2026 | 30 | 30 | 93.3% | 0 |