WN3659
WN3659 (Southwest Airlines) is a multi-stop service on 23 routes, busiest Ontario to Oakland. Of 305 departures recorded from October 2024 to July 2026, 76.1% left on time, according to the US BTS.
- On-time departures76.1%of 305 flights
- Average delay14.5 min
- July 20266▼ 71.4%vs July 2025
- Cancelled0.0%
- Legs flown under this number23
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 | 7 | 1 | ▼ 85.7% |
| February | 14 | – | – |
| March | 29 | 6 | ▼ 79.3% |
| April | 15 | 30 | ▲ 100.0% |
| May | 8 | 36 | ▲ 350.0% |
| June | 22 | 15 | ▼ 31.8% |
| July | 21 | 6 | ▼ 71.4% |
| August | 20 | – | – |
| September | 17 | – | – |
| October | 9 | – | in progress |
| November | 1 | – | – |
| 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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 85.7% | 100.0% | ▲ 16.7% |
| February | 78.6% | – | – |
| March | 86.2% | 66.7% | ▼ 22.7% |
| April | 66.7% | 76.7% | ▲ 15.0% |
| May | 62.5% | 91.7% | ▲ 46.7% |
| June | 81.8% | 80.0% | ▼ 2.2% |
| July | 71.4% | 100.0% | ▲ 40.0% |
| August | 70.0% | – | – |
| September | 58.8% | – | – |
| October | 88.9% | – | 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 periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | – | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| 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 100.0% 305
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 25, 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 |
|---|---|---|---|---|
| PHX OAK Phoenix Sky Harbor International Airport – Oakland San Francisco Bay Airport | 1,039 | 15.4 min | 68.4% | 57 |
| ONT OAK Ontario International Airport – Oakland San Francisco Bay Airport | 582 | 10.9 min | 89.5% | 57 |
| STL MCI St. Louis Lambert International Airport – Kansas City International Airport | 380 | 4.5 min | 85.7% | 35 |
| DEN PVD Denver International Airport – Rhode Island T. F. Green International Airport | 2,789 | 21.4 min | 61.8% | 34 |
| BNA DEN Nashville International Airport – Denver International Airport | 1,628 | 6.8 min | 78.8% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 12 | 12 | 75.0% | 0 |
| November 2024 | 20 | 20 | 65.0% | 0 |
| December 2024 | 16 | 16 | 50.0% | 0 |
| January 2025 | 7 | 7 | 85.7% | 0 |
| February 2025 | 14 | 14 | 78.6% | 0 |
| March 2025 | 29 | 29 | 86.2% | 0 |
| April 2025 | 15 | 15 | 66.7% | 0 |
| May 2025 | 8 | 8 | 62.5% | 0 |
| June 2025 | 22 | 22 | 81.8% | 0 |
| July 2025 | 21 | 21 | 71.4% | 0 |
| August 2025 | 20 | 20 | 70.0% | 0 |
| September 2025 | 17 | 17 | 58.8% | 0 |
| October 2025 | 9 | 9 | 88.9% | 0 |
| November 2025 | 1 | 1 | 100.0% | 0 |
| January 2026 | 1 | 1 | 100.0% | 0 |
| March 2026 | 6 | 6 | 66.7% | 0 |
| April 2026 | 30 | 30 | 76.7% | 0 |
| May 2026 | 36 | 36 | 91.7% | 0 |
| June 2026 | 15 | 15 | 80.0% | 0 |
| July 2026 | 6 | 6 | 100.0% | 0 |