WN4817
WN4817 (Southwest Airlines) is a multi-stop service on 12 routes, busiest Las Vegas to Salt Lake City. Of 320 departures recorded from November 2024 to July 2026, 81.3% left on time, according to the US BTS.
- On-time departures81.3%of 320 flights
- Average delay10.5 min
- July 202618
- Cancelled0.0%
- Legs flown under this number12
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 | 28 | 30 | ▲ 7.1% |
| February | 24 | 28 | ▲ 16.7% |
| March | 30 | 5 | ▼ 83.3% |
| April | 10 | – | – |
| May | 4 | – | – |
| June | 1 | 16 | ▲ 1,500.0% |
| July | – | 18 | – |
| August | – | – | – |
| September | – | – | – |
| October | 26 | – | in progress |
| November | 6 | – | – |
| December | 13 | – | – |
according to the US BTS · November 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 | 92.9% | 76.7% | ▼ 17.4% |
| February | 91.7% | 100.0% | ▲ 9.1% |
| March | 83.3% | 100.0% | ▲ 20.0% |
| April | 100.0% | – | – |
| May | 75.0% | – | – |
| June | 100.0% | 62.5% | ▼ 37.5% |
| July | – | 44.4% | – |
| August | – | – | – |
| September | – | – | – |
| October | 92.3% | – | in progress |
| November | 50.0% | – | – |
| December | 15.4% | – | – |
according to the US BTS · November 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · November 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 | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | – | – |
| May | 0 | – | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · November 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 100.0% 320
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · Nov 3, 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 |
|---|---|---|---|---|
| LAS SLC Harry Reid International Airport – Salt Lake City International Airport | 592 | 2.4 min | 89.3% | 93 |
| ORD MCO Chicago O'Hare International Airport – Orlando International Airport | 1,620 | 3.8 min | 94.8% | 58 |
| BWI SRQ Baltimore/Washington International Thurgood Marshall Airport – Sarasota Bradenton International Airport | 1,419 | 23.3 min | 52.9% | 34 |
| SJU MCO Luis Munoz Marin International Airport – Orlando International Airport | 1,913 | 12.3 min | 84.9% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 45 | 45 | 86.7% | 0 |
| December 2024 | 36 | 36 | 86.1% | 0 |
| January 2025 | 28 | 28 | 92.9% | 0 |
| February 2025 | 24 | 24 | 91.7% | 0 |
| March 2025 | 30 | 30 | 83.3% | 0 |
| April 2025 | 10 | 10 | 100.0% | 0 |
| May 2025 | 4 | 4 | 75.0% | 0 |
| June 2025 | 1 | 1 | 100.0% | 0 |
| October 2025 | 26 | 26 | 92.3% | 0 |
| November 2025 | 6 | 6 | 50.0% | 0 |
| December 2025 | 13 | 13 | 15.4% | 0 |
| January 2026 | 30 | 30 | 76.7% | 0 |
| February 2026 | 28 | 28 | 100.0% | 0 |
| March 2026 | 5 | 5 | 100.0% | 0 |
| June 2026 | 16 | 16 | 62.5% | 0 |
| July 2026 | 18 | 18 | 44.4% | 0 |