WN3128
WN3128 (Southwest Airlines) is a multi-stop service on 17 routes, busiest Tucson to Las Vegas. Of 457 departures recorded from October 2024 to July 2026, 80.4% left on time, according to the US BTS.
- On-time departures80.4%of 457 flights
- Average delay8.3 min
- July 202618▲ 0.0%vs July 2025
- Cancelled0.4%
- Legs flown under this number17
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 13 | 31 | ▲ 138.5% |
| February | 30 | 28 | ▼ 6.7% |
| March | 26 | 42 | ▲ 61.5% |
| April | 6 | 33 | ▲ 450.0% |
| May | – | 30 | – |
| June | 14 | 19 | ▲ 35.7% |
| July | 18 | 18 | 0.0% |
| August | 3 | – | – |
| September | – | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 69.2% | 74.2% | ▲ 7.2% |
| February | 80.0% | 67.9% | ▼ 15.2% |
| March | 80.8% | 87.5% | ▲ 8.3% |
| April | 33.3% | 90.9% | ▲ 172.8% |
| May | – | 93.3% | – |
| June | 64.3% | 47.4% | ▼ 26.3% |
| July | 44.4% | 88.9% | ▲ 100.0% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | 83.9% | – | in progress |
| November | 89.7% | – | – |
| December | 96.8% | – | – |
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 periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | – | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | – | – | – |
| 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 99.6% 455
- Cancelled 0.4% 2
Share of all recorded flights in the period, all legs. · Oct 14, 2024 → Jul 31, 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 |
|---|---|---|---|---|
| TUS LAS Tucson International Airport – Harry Reid International Airport | 587 | 4.4 min | 96.3% | 83 |
| OMA DEN Eppley Airfield – Denver International Airport | 758 | 9.2 min | 74.7% | 79 |
| PHX COS Phoenix Sky Harbor International Airport – City of Colorado Springs Municipal Airport | 887 | 11.7 min | 68.7% | 67 |
| EUG DEN Eugene Airport – Denver International Airport | 1,600 | 4.4 min | 93.0% | 57 |
| STL HOU St. Louis Lambert International Airport – William P. Hobby Airport | 1,108 | 7.4 min | 80.7% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 85.7% | 0 |
| November 2024 | 23 | 23 | 87.0% | 0 |
| December 2024 | 18 | 18 | 88.9% | 0 |
| January 2025 | 13 | 13 | 69.2% | 0 |
| February 2025 | 30 | 30 | 80.0% | 0 |
| March 2025 | 26 | 26 | 80.8% | 0 |
| April 2025 | 6 | 6 | 33.3% | 0 |
| June 2025 | 14 | 14 | 64.3% | 0 |
| July 2025 | 18 | 18 | 44.4% | 0 |
| August 2025 | 3 | 3 | 100.0% | 0 |
| October 2025 | 31 | 31 | 83.9% | 0 |
| November 2025 | 29 | 29 | 89.7% | 0 |
| December 2025 | 31 | 31 | 96.8% | 0 |
| January 2026 | 31 | 31 | 74.2% | 0 |
| February 2026 | 28 | 28 | 67.9% | 0 |
| March 2026 | 42 | 40 | 87.5% | 2 |
| April 2026 | 33 | 33 | 90.9% | 0 |
| May 2026 | 30 | 30 | 93.3% | 0 |
| June 2026 | 19 | 19 | 47.4% | 0 |
| July 2026 | 18 | 18 | 88.9% | 0 |