WN3158
WN3158 (Southwest Airlines) is a multi-stop service on 23 routes, busiest Phoenix to Las Vegas. Of 440 departures recorded from October 2024 to July 2026, 71.7% left on time, according to the US BTS.
- On-time departures71.7%of 440 flights
- Average delay16.1 min
- July 20268▼ 81.4%vs July 2025
- Cancelled1.1%
- Legs flown under this number23
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 19 | 2 | ▼ 89.5% |
| February | 17 | 3 | ▼ 82.4% |
| March | 25 | 27 | ▲ 8.0% |
| April | 18 | 35 | ▲ 94.4% |
| May | 18 | 41 | ▲ 127.8% |
| June | 40 | 11 | ▼ 72.5% |
| July | 43 | 8 | ▼ 81.4% |
| August | 6 | – | – |
| September | – | – | – |
| October | 30 | – | in progress |
| November | 25 | – | – |
| December | 20 | – | – |
| Year to date (Jan–Jul) | 180 | 127 | ▼ 29.4% |
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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 73.7% | 100.0% | ▲ 35.7% |
| February | 82.4% | 33.3% | ▼ 59.5% |
| March | 92.0% | 68.0% | ▼ 26.1% |
| April | 77.8% | 70.6% | ▼ 9.2% |
| May | 44.4% | 57.5% | ▲ 29.4% |
| June | 52.5% | 90.9% | ▲ 73.2% |
| July | 57.1% | 100.0% | ▲ 75.0% |
| August | 33.3% | – | – |
| September | – | – | – |
| October | 96.7% | – | in progress |
| November | 76.0% | – | – |
| December | 90.0% | – | – |
| Year-to-date average (Jan–Jul) | 68.6% | 74.3% | ▲ 8.4% |
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 periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 2 | – |
| April | 0 | 1 | – |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 4 | ▲ 300.0% |
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 98.9% 435
- Cancelled 1.1% 5
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 26, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PHX LAS Phoenix Sky Harbor International Airport – Harry Reid International Airport | 411 | 22.4 min | 66.7% | 56 |
| DEN SJC Denver International Airport – Mineta San Jose International Airport | 1,522 | 6.6 min | 82.6% | 46 |
| LAS BWI Harry Reid International Airport – Baltimore/Washington International Thurgood Marshall Airport | 3,381 | 11.1 min | 74.4% | 43 |
| MCI MCO Kansas City International Airport – Orlando International Airport | 1,726 | 21.1 min | 71.0% | 33 |
| ITO HNL Hilo International Airport – Daniel K. Inouye International Airport | 349 | -2.8 min | 96.8% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 23 | 23 | 95.7% | 0 |
| November 2024 | 19 | 19 | 73.7% | 0 |
| December 2024 | 10 | 10 | 50.0% | 0 |
| January 2025 | 19 | 19 | 73.7% | 0 |
| February 2025 | 17 | 17 | 82.4% | 0 |
| March 2025 | 25 | 25 | 92.0% | 0 |
| April 2025 | 18 | 18 | 77.8% | 0 |
| May 2025 | 18 | 18 | 44.4% | 0 |
| June 2025 | 40 | 40 | 52.5% | 0 |
| July 2025 | 43 | 42 | 57.1% | 1 |
| August 2025 | 6 | 6 | 33.3% | 0 |
| October 2025 | 30 | 30 | 96.7% | 0 |
| November 2025 | 25 | 25 | 76.0% | 0 |
| December 2025 | 20 | 20 | 90.0% | 0 |
| January 2026 | 2 | 2 | 100.0% | 0 |
| February 2026 | 3 | 3 | 33.3% | 0 |
| March 2026 | 27 | 25 | 68.0% | 2 |
| April 2026 | 35 | 34 | 70.6% | 1 |
| May 2026 | 41 | 40 | 57.5% | 1 |
| June 2026 | 11 | 11 | 90.9% | 0 |
| July 2026 | 8 | 8 | 100.0% | 0 |