WN665
WN665 (Southwest Airlines) is a multi-stop service on 30 routes, busiest Ontario to Denver. Of 663 departures recorded from October 2024 to July 2026, 68.6% left on time, according to the US BTS.
- On-time departures68.6%of 663 flights
- Average delay16.1 min
- July 202619▼ 40.6%vs July 2025
- Cancelled0.5%
- Legs flown under this number30
according to the US BTS · Oct 12, 2024 → Jul 29, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | 36 | ▲ 16.1% |
| February | 18 | 32 | ▲ 77.8% |
| March | 22 | 28 | ▲ 27.3% |
| April | 34 | 29 | ▼ 14.7% |
| May | 41 | 31 | ▼ 24.4% |
| June | 28 | 30 | ▲ 7.1% |
| July | 32 | 19 | ▼ 40.6% |
| August | 22 | – | – |
| September | 22 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 206 | 205 | ▼ 0.5% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 83.3% | 66.7% | ▼ 20.0% |
| February | 94.4% | 68.8% | ▼ 27.2% |
| March | 63.6% | 63.0% | ▼ 1.1% |
| April | 67.7% | 65.5% | ▼ 3.1% |
| May | 68.3% | 38.7% | ▼ 43.3% |
| June | 92.9% | 36.7% | ▼ 60.5% |
| July | 84.4% | 42.1% | ▼ 50.1% |
| August | 86.4% | – | – |
| September | 90.9% | – | – |
| October | 74.2% | – | in progress |
| November | 36.7% | – | – |
| December | 45.2% | – | – |
| Year-to-date average (Jan–Jul) | 79.2% | 54.5% | ▼ 31.2% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 1 | 0.0% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.5% 660
- Cancelled 0.5% 3
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ONT DEN Ontario International Airport – Denver International Airport | 1,316 | 3.2 min | 86.9% | 62 |
| BNA LAS Nashville International Airport – Harry Reid International Airport | 2,549 | 29.4 min | 44.8% | 58 |
| BNA SAT Nashville International Airport – San Antonio International Airport | 1,322 | 34.3 min | 41.3% | 46 |
| AUS MCO Austin Bergstrom International Airport – Orlando International Airport | 1,596 | 36.8 min | 35.6% | 45 |
| PHX LAS Phoenix Sky Harbor International Airport – Harry Reid International Airport | 411 | 13.2 min | 78.6% | 42 |
| OMA LAS Eppley Airfield – Harry Reid International Airport | 1,765 | 5.6 min | 90.5% | 42 |
| MSY AUS Louis Armstrong New Orleans International Airport – Austin Bergstrom International Airport | 712 | 2.7 min | 88.1% | 42 |
| BUR PHX Hollywood Burbank/Bob Hope Airport – Phoenix Sky Harbor International Airport | 593 | 13.0 min | 76.2% | 42 |
| PHX STL Phoenix Sky Harbor International Airport – St. Louis Lambert International Airport | 2,026 | 16.7 min | 56.3% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 19 | 94.7% | 1 |
| November 2024 | 49 | 49 | 77.6% | 0 |
| December 2024 | 47 | 47 | 78.7% | 0 |
| January 2025 | 31 | 30 | 83.3% | 1 |
| February 2025 | 18 | 18 | 94.4% | 0 |
| March 2025 | 22 | 22 | 63.6% | 0 |
| April 2025 | 34 | 34 | 67.7% | 0 |
| May 2025 | 41 | 41 | 68.3% | 0 |
| June 2025 | 28 | 28 | 92.9% | 0 |
| July 2025 | 32 | 32 | 84.4% | 0 |
| August 2025 | 22 | 22 | 86.4% | 0 |
| September 2025 | 22 | 22 | 90.9% | 0 |
| October 2025 | 31 | 31 | 74.2% | 0 |
| November 2025 | 30 | 30 | 36.7% | 0 |
| December 2025 | 31 | 31 | 45.2% | 0 |
| January 2026 | 36 | 36 | 66.7% | 0 |
| February 2026 | 32 | 32 | 68.8% | 0 |
| March 2026 | 28 | 27 | 63.0% | 1 |
| April 2026 | 29 | 29 | 65.5% | 0 |
| May 2026 | 31 | 31 | 38.7% | 0 |
| June 2026 | 30 | 30 | 36.7% | 0 |
| July 2026 | 19 | 19 | 42.1% | 0 |