WN4660
WN4660 (Southwest Airlines) is a multi-stop service on 14 routes, busiest Las Vegas to Santa Ana. Of 228 departures recorded from October 2024 to July 2026, 85.9% left on time, according to the US BTS.
- On-time departures85.9%of 228 flights
- Average delay5.4 min
- July 202617
- Cancelled0.4%
- Legs flown under this number14
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 49 | – |
| February | – | 48 | – |
| March | – | 53 | – |
| April | 3 | 13 | ▲ 333.3% |
| May | 4 | 4 | 0.0% |
| June | 1 | 16 | ▲ 1,500.0% |
| July | – | 17 | – |
| August | 4 | – | – |
| September | 4 | – | – |
| October | – | – | in progress |
| November | 2 | – | – |
| December | 3 | – | – |
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 periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 97.9% | – |
| February | – | 85.4% | – |
| March | – | 77.4% | – |
| April | 100.0% | 69.2% | ▼ 30.8% |
| May | 100.0% | 50.0% | ▼ 50.0% |
| June | 100.0% | 93.8% | ▼ 6.3% |
| July | – | 94.1% | – |
| August | 100.0% | – | – |
| September | 75.0% | – | – |
| October | – | – | in progress |
| November | 50.0% | – | – |
| 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 periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 1 | – |
| February | – | 0 | – |
| March | – | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| 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 99.6% 227
- Cancelled 0.4% 1
Share of all recorded flights in the period, all legs. · Oct 15, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LAS SNA Harry Reid International Airport – John Wayne Orange County International Airport | 365 | 6.3 min | 91.4% | 58 |
| SEA DEN Seattle–Tacoma International Airport – Denver International Airport | 1,645 | 20.0 min | 66.7% | 33 |
| MKE MCO General Mitchell International Airport – Orlando International Airport | 1,719 | -2.9 min | 93.9% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 7 | 7 | 71.4% | 0 |
| April 2025 | 3 | 3 | 100.0% | 0 |
| May 2025 | 4 | 4 | 100.0% | 0 |
| June 2025 | 1 | 1 | 100.0% | 0 |
| August 2025 | 4 | 4 | 100.0% | 0 |
| September 2025 | 4 | 4 | 75.0% | 0 |
| November 2025 | 2 | 2 | 50.0% | 0 |
| December 2025 | 3 | 3 | 100.0% | 0 |
| January 2026 | 49 | 48 | 97.9% | 1 |
| February 2026 | 48 | 48 | 85.4% | 0 |
| March 2026 | 53 | 53 | 77.4% | 0 |
| April 2026 | 13 | 13 | 69.2% | 0 |
| May 2026 | 4 | 4 | 50.0% | 0 |
| June 2026 | 16 | 16 | 93.8% | 0 |
| July 2026 | 17 | 17 | 94.1% | 0 |