WN3894
WN3894 (Southwest Airlines) is a multi-stop service on 19 routes, busiest Las Vegas to Denver. Of 407 departures recorded from October 2024 to July 2026, 77.3% left on time, according to the US BTS.
- On-time departures77.3%of 407 flights
- Average delay10.0 min
- July 202627▼ 20.6%vs July 2025
- Cancelled0.3%
- Legs flown under this number19
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 | 6 | 21 | ▲ 250.0% |
| February | 4 | 23 | ▲ 475.0% |
| March | 27 | 30 | ▲ 11.1% |
| April | 22 | 33 | ▲ 50.0% |
| May | 25 | 36 | ▲ 44.0% |
| June | 32 | 26 | ▼ 18.8% |
| July | 34 | 27 | ▼ 20.6% |
| August | 16 | – | – |
| September | 13 | – | – |
| October | – | – | in progress |
| November | 1 | – | – |
| December | – | – | – |
| Year to date (Jan–Jul) | 150 | 196 | ▲ 30.7% |
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 | 100.0% | 90.0% | ▼ 10.0% |
| February | 75.0% | 69.6% | ▼ 7.2% |
| March | 81.5% | 60.0% | ▼ 26.4% |
| April | 77.3% | 69.7% | ▼ 9.8% |
| May | 56.0% | 77.8% | ▲ 38.9% |
| June | 87.5% | 100.0% | ▲ 14.3% |
| July | 91.2% | 96.3% | ▲ 5.6% |
| August | 56.3% | – | – |
| September | 30.8% | – | – |
| October | – | – | in progress |
| November | 0.0% | – | – |
| December | – | – | – |
| Year-to-date average (Jan–Jul) | 81.2% | 80.5% | ▼ 0.9% |
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 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | – | – | in progress |
| November | 0 | – | – |
| December | – | – | – |
| Year to date (Jan–Jul) | 0 | 1 |
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 99.8% 406
- Cancelled 0.2% 1
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 |
|---|---|---|---|---|
| LAS DEN Harry Reid International Airport – Denver International Airport | 1,009 | 4.3 min | 88.3% | 60 |
| PHX SMF Phoenix Sky Harbor International Airport – Sacramento International Airport | 1,040 | 11.1 min | 75.9% | 58 |
| STL BWI St. Louis Lambert International Airport – Baltimore/Washington International Thurgood Marshall Airport | 1,185 | 0.4 min | 98.0% | 50 |
| TPA SDF Tampa International Airport – Louisville Muhammad Ali International Airport | 1,172 | 5.1 min | 83.7% | 44 |
| MCO SJU Orlando International Airport – Luis Munoz Marin International Airport | 1,913 | 22.6 min | 57.6% | 33 |
| BWI SJU Baltimore/Washington International Thurgood Marshall Airport – Luis Munoz Marin International Airport | 2,525 | 7.0 min | 84.9% | 33 |
| PHX ABQ Phoenix Sky Harbor International Airport – Albuquerque International Sunport | 527 | 20.8 min | 59.4% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 12 | 12 | 83.3% | 0 |
| November 2024 | 7 | 7 | 85.7% | 0 |
| December 2024 | 12 | 12 | 75.0% | 0 |
| January 2025 | 6 | 6 | 100.0% | 0 |
| February 2025 | 4 | 4 | 75.0% | 0 |
| March 2025 | 27 | 27 | 81.5% | 0 |
| April 2025 | 22 | 22 | 77.3% | 0 |
| May 2025 | 25 | 25 | 56.0% | 0 |
| June 2025 | 32 | 32 | 87.5% | 0 |
| July 2025 | 34 | 34 | 91.2% | 0 |
| August 2025 | 16 | 16 | 56.3% | 0 |
| September 2025 | 13 | 13 | 30.8% | 0 |
| November 2025 | 1 | 1 | 0.0% | 0 |
| January 2026 | 21 | 20 | 90.0% | 1 |
| February 2026 | 23 | 23 | 69.6% | 0 |
| March 2026 | 30 | 30 | 60.0% | 0 |
| April 2026 | 33 | 33 | 69.7% | 0 |
| May 2026 | 36 | 36 | 77.8% | 0 |
| June 2026 | 26 | 26 | 100.0% | 0 |
| July 2026 | 27 | 27 | 96.3% | 0 |