WN3846
WN3846 (Southwest Airlines) is a multi-stop service on 23 routes, busiest Las Vegas to Houston. Of 470 departures recorded from October 2024 to July 2026, 65.9% left on time, according to the US BTS.
- On-time departures65.9%of 470 flights
- Average delay16.4 min
- July 202632▲ 6.7%vs July 2025
- Cancelled0.9%
- 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 | – | 5 | – |
| February | 10 | 3 | ▼ 70.0% |
| March | 14 | 71 | ▲ 407.1% |
| April | 26 | 49 | ▲ 88.5% |
| May | 30 | 38 | ▲ 26.7% |
| June | 30 | 31 | ▲ 3.3% |
| July | 30 | 32 | ▲ 6.7% |
| August | 8 | – | – |
| September | 4 | – | – |
| October | 34 | – | in progress |
| November | 19 | – | – |
| December | 15 | – | – |
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 | – | 80.0% | – |
| February | 70.0% | 100.0% | ▲ 42.9% |
| March | 64.3% | 56.3% | ▼ 12.4% |
| April | 83.3% | 71.4% | ▼ 14.3% |
| May | 72.4% | 57.9% | ▼ 20.1% |
| June | 70.0% | 53.3% | ▼ 23.8% |
| July | 56.7% | 59.4% | ▲ 4.8% |
| August | 62.5% | – | – |
| September | 100.0% | – | – |
| October | 70.6% | – | in progress |
| November | 84.2% | – | – |
| December | 53.3% | – | – |
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 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 2 | 0 | ▼ 100.0% |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 1 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | 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 99.1% 466
- Cancelled 0.9% 4
Share of all recorded flights in the period, all legs. · Oct 12, 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 HOU Harry Reid International Airport – William P. Hobby Airport | 1,985 | 20.8 min | 60.0% | 60 |
| SNA LAS John Wayne Orange County International Airport – Harry Reid International Airport | 365 | 14.2 min | 66.1% | 57 |
| LAS DEN Harry Reid International Airport – Denver International Airport | 1,009 | 21.8 min | 56.1% | 57 |
| DAL DEN Dallas Love Field – Denver International Airport | 1,048 | 13.7 min | 76.9% | 42 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 73.7% | 0 |
| November 2024 | 2 | 2 | 100.0% | 0 |
| February 2025 | 10 | 10 | 70.0% | 0 |
| March 2025 | 14 | 14 | 64.3% | 0 |
| April 2025 | 26 | 24 | 83.3% | 2 |
| May 2025 | 30 | 29 | 72.4% | 1 |
| June 2025 | 30 | 30 | 70.0% | 0 |
| July 2025 | 30 | 30 | 56.7% | 0 |
| August 2025 | 8 | 8 | 62.5% | 0 |
| September 2025 | 4 | 4 | 100.0% | 0 |
| October 2025 | 34 | 34 | 70.6% | 0 |
| November 2025 | 19 | 19 | 84.2% | 0 |
| December 2025 | 15 | 15 | 53.3% | 0 |
| January 2026 | 5 | 5 | 80.0% | 0 |
| February 2026 | 3 | 3 | 100.0% | 0 |
| March 2026 | 71 | 71 | 56.3% | 0 |
| April 2026 | 49 | 49 | 71.4% | 0 |
| May 2026 | 38 | 38 | 57.9% | 0 |
| June 2026 | 31 | 30 | 53.3% | 1 |
| July 2026 | 32 | 32 | 59.4% | 0 |