WN3888
WN3888 (Southwest Airlines) is a multi-stop service on 26 routes, busiest Dallas to Las Vegas. Of 545 departures recorded from October 2024 to July 2026, 63.7% left on time, according to the US BTS.
- On-time departures63.7%of 545 flights
- Average delay21.3 min
- July 202643▲ 104.8%vs July 2025
- Cancelled0.4%
- Legs flown under this number26
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 24 | – | – |
| February | 25 | – | – |
| March | 26 | 31 | ▲ 19.2% |
| April | 46 | 34 | ▼ 26.1% |
| May | 53 | 35 | ▼ 34.0% |
| June | 27 | 42 | ▲ 55.6% |
| July | 21 | 43 | ▲ 104.8% |
| August | 4 | – | – |
| September | – | – | – |
| October | 29 | – | in progress |
| November | 2 | – | – |
| 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 periods15 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 87.5% | – | – |
| February | 88.0% | – | – |
| March | 92.0% | 60.0% | ▼ 34.8% |
| April | 56.5% | 38.2% | ▼ 32.3% |
| May | 22.6% | 45.7% | ▲ 101.9% |
| June | 74.1% | 57.1% | ▼ 22.9% |
| July | 90.5% | 79.1% | ▼ 12.6% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | 24.1% | – | 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 periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | – | – |
| February | 0 | – | – |
| March | 1 | 1 | 0.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | 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 99.6% 543
- Cancelled 0.4% 2
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DCA AUS Ronald Reagan Washington National Airport – Austin Bergstrom International Airport | 2,114 | 40.0 min | 36.2% | 58 |
| DAL LAS Dallas Love Field – Harry Reid International Airport | 1,714 | 36.0 min | 43.1% | 58 |
| BNA AUS Nashville International Airport – Austin Bergstrom International Airport | 1,215 | 2.3 min | 91.1% | 45 |
| AUS SAN Austin Bergstrom International Airport – San Diego International Airport | 1,871 | 50.6 min | 31.0% | 42 |
| STL BNA St. Louis Lambert International Airport – Nashville International Airport | 437 | 16.2 min | 73.5% | 34 |
| PHX IND Phoenix Sky Harbor International Airport – Indianapolis International Airport | 2,390 | 25.9 min | 60.6% | 33 |
| DEN HOU Denver International Airport – William P. Hobby Airport | 1,422 | 33.1 min | 26.7% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 89.5% | 0 |
| November 2024 | 58 | 58 | 82.8% | 0 |
| December 2024 | 26 | 26 | 76.9% | 0 |
| January 2025 | 24 | 24 | 87.5% | 0 |
| February 2025 | 25 | 25 | 88.0% | 0 |
| March 2025 | 26 | 25 | 92.0% | 1 |
| April 2025 | 46 | 46 | 56.5% | 0 |
| May 2025 | 53 | 53 | 22.6% | 0 |
| June 2025 | 27 | 27 | 74.1% | 0 |
| July 2025 | 21 | 21 | 90.5% | 0 |
| August 2025 | 4 | 4 | 100.0% | 0 |
| October 2025 | 29 | 29 | 24.1% | 0 |
| November 2025 | 2 | 2 | 100.0% | 0 |
| March 2026 | 31 | 30 | 60.0% | 1 |
| April 2026 | 34 | 34 | 38.2% | 0 |
| May 2026 | 35 | 35 | 45.7% | 0 |
| June 2026 | 42 | 42 | 57.1% | 0 |
| July 2026 | 43 | 43 | 79.1% | 0 |