WN3662
WN3662 (Southwest Airlines) is a multi-stop service on 25 routes, busiest Ontario to Oakland. Of 511 departures recorded from October 2024 to July 2026, 83.9% left on time, according to the US BTS.
- On-time departures83.9%of 511 flights
- Average delay8.3 min
- July 202620▼ 42.9%vs July 2025
- Cancelled0.6%
- Legs flown under this number25
Recorded departures by month
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 | 28 | 21 | ▼ 25.0% |
| February | 24 | 17 | ▼ 29.2% |
| March | 30 | 11 | ▼ 63.3% |
| April | 13 | 28 | ▲ 115.4% |
| May | 9 | 36 | ▲ 300.0% |
| June | 31 | 22 | ▼ 29.0% |
| July | 35 | 20 | ▼ 42.9% |
| August | 45 | – | – |
| September | 47 | – | – |
| October | 23 | – | in progress |
| November | 2 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 170 | 155 | ▼ 8.8% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
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 | 77.8% | 81.0% | ▲ 4.1% |
| February | 87.5% | 70.6% | ▼ 19.3% |
| March | 76.7% | 100.0% | ▲ 30.4% |
| April | 84.6% | 78.6% | ▼ 7.1% |
| May | 88.9% | 72.2% | ▼ 18.8% |
| June | 75.9% | 86.4% | ▲ 13.8% |
| July | 91.4% | 95.0% | ▲ 3.9% |
| August | 75.6% | – | – |
| September | 93.6% | – | – |
| October | 87.0% | – | in progress |
| November | 100.0% | – | – |
| December | 50.0% | – | – |
| Year-to-date average (Jan–Jul) | 83.3% | 83.4% | ▲ 0.2% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 2 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 0 | ▼ 100.0% |
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 99.4% 508
- Cancelled 0.6% 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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ONT OAK Ontario International Airport – Oakland San Francisco Bay Airport | 582 | 10.5 min | 73.2% | 71 |
| HOU LAS William P. Hobby Airport – Harry Reid International Airport | 1,985 | 5.8 min | 86.2% | 60 |
| BNA BUR Nashville International Airport – Hollywood Burbank/Bob Hope Airport | 2,875 | 10.9 min | 86.4% | 59 |
| SJC LAS Mineta San Jose International Airport – Harry Reid International Airport | 620 | 0.5 min | 92.9% | 42 |
| SMF PDX Sacramento International Airport – Portland International Airport | 771 | 9.9 min | 78.1% | 41 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 9 | 9 | 100.0% | 0 |
| November 2024 | 28 | 28 | 89.3% | 0 |
| December 2024 | 30 | 30 | 90.0% | 0 |
| January 2025 | 28 | 27 | 77.8% | 1 |
| February 2025 | 24 | 24 | 87.5% | 0 |
| March 2025 | 30 | 30 | 76.7% | 0 |
| April 2025 | 13 | 13 | 84.6% | 0 |
| May 2025 | 9 | 9 | 88.9% | 0 |
| June 2025 | 31 | 29 | 75.9% | 2 |
| July 2025 | 35 | 35 | 91.4% | 0 |
| August 2025 | 45 | 45 | 75.6% | 0 |
| September 2025 | 47 | 47 | 93.6% | 0 |
| October 2025 | 23 | 23 | 87.0% | 0 |
| November 2025 | 2 | 2 | 100.0% | 0 |
| December 2025 | 2 | 2 | 50.0% | 0 |
| January 2026 | 21 | 21 | 81.0% | 0 |
| February 2026 | 17 | 17 | 70.6% | 0 |
| March 2026 | 11 | 11 | 100.0% | 0 |
| April 2026 | 28 | 28 | 78.6% | 0 |
| May 2026 | 36 | 36 | 72.2% | 0 |
| June 2026 | 22 | 22 | 86.4% | 0 |
| July 2026 | 20 | 20 | 95.0% | 0 |