WN4494
WN4494 (Southwest Airlines) is a multi-stop service on 25 routes, busiest Las Vegas to Portland. Of 546 departures recorded from October 2024 to July 2026, 73.8% left on time, according to the US BTS.
- On-time departures73.8%of 546 flights
- Average delay11.0 min
- July 202622▼ 29.0%vs July 2025
- Cancelled0.9%
- Legs flown under this number25
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 | 32 | 34 | ▲ 6.3% |
| February | 32 | 24 | ▼ 25.0% |
| March | 27 | 31 | ▲ 14.8% |
| April | 5 | 9 | ▲ 80.0% |
| May | – | 5 | – |
| June | 26 | 20 | ▼ 23.1% |
| July | 31 | 22 | ▼ 29.0% |
| August | 4 | – | – |
| September | – | – | – |
| October | 25 | – | in progress |
| November | 56 | – | – |
| December | 57 | – | – |
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 | 81.3% | 91.2% | ▲ 12.2% |
| February | 77.4% | 58.3% | ▼ 24.7% |
| March | 81.5% | 80.7% | ▼ 1.0% |
| April | 60.0% | 66.7% | ▲ 11.1% |
| May | – | 20.0% | – |
| June | 84.6% | 40.0% | ▼ 52.7% |
| July | 80.7% | 68.2% | ▼ 15.5% |
| August | 50.0% | – | – |
| September | – | – | – |
| October | 64.0% | – | in progress |
| November | 77.8% | – | – |
| December | 78.6% | – | – |
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 | 1 | 0 | ▼ 100.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | – | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 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 99.1% 541
- Cancelled 0.9% 5
Share of all recorded flights in the period, all legs. · Oct 13, 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 PDX Harry Reid International Airport – Portland International Airport | 1,227 | 9.1 min | 75.0% | 97 |
| PHX BNA Phoenix Sky Harbor International Airport – Nashville International Airport | 2,326 | 11.7 min | 76.0% | 50 |
| SJC EUG Mineta San Jose International Airport – Eugene Airport | 760 | 10.0 min | 76.7% | 43 |
| BWI ISP Baltimore/Washington International Thurgood Marshall Airport – Long Island MacArthur Airport | 353 | 5.2 min | 82.1% | 41 |
| HOU JAN William P. Hobby Airport – Jackson-Medgar Wiley Evers International Airport | 578 | 2.1 min | 85.7% | 35 |
| LAS TPA Harry Reid International Airport – Tampa International Airport | 3,188 | 22.2 min | 44.1% | 34 |
| SMF PSP Sacramento International Airport – Palm Springs International Airport | 707 | 11.1 min | 84.9% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 76.5% | 0 |
| November 2024 | 51 | 50 | 68.0% | 1 |
| December 2024 | 38 | 38 | 68.4% | 0 |
| January 2025 | 32 | 32 | 81.3% | 0 |
| February 2025 | 32 | 31 | 77.4% | 1 |
| March 2025 | 27 | 27 | 81.5% | 0 |
| April 2025 | 5 | 5 | 60.0% | 0 |
| June 2025 | 26 | 26 | 84.6% | 0 |
| July 2025 | 31 | 31 | 80.7% | 0 |
| August 2025 | 4 | 4 | 50.0% | 0 |
| October 2025 | 25 | 25 | 64.0% | 0 |
| November 2025 | 56 | 54 | 77.8% | 2 |
| December 2025 | 57 | 56 | 78.6% | 1 |
| January 2026 | 34 | 34 | 91.2% | 0 |
| February 2026 | 24 | 24 | 58.3% | 0 |
| March 2026 | 31 | 31 | 80.7% | 0 |
| April 2026 | 9 | 9 | 66.7% | 0 |
| May 2026 | 5 | 5 | 20.0% | 0 |
| June 2026 | 20 | 20 | 40.0% | 0 |
| July 2026 | 22 | 22 | 68.2% | 0 |