WN3654
WN3654 (Southwest Airlines) is a multi-stop service on 24 routes, busiest Ontario to Houston. Of 325 departures recorded from October 2024 to July 2026, 66.8% left on time, according to the US BTS.
- On-time departures66.8%of 325 flights
- Average delay19.7 min
- July 20269▼ 72.7%vs July 2025
- Cancelled0.0%
- Legs flown under this number24
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 | 5 | 3 | ▼ 40.0% |
| February | 10 | 1 | ▼ 90.0% |
| March | 27 | 36 | ▲ 33.3% |
| April | 13 | 32 | ▲ 146.2% |
| May | 9 | 31 | ▲ 244.4% |
| June | 25 | 18 | ▼ 28.0% |
| July | 33 | 9 | ▼ 72.7% |
| August | 6 | – | – |
| September | 4 | – | – |
| October | 22 | – | in progress |
| November | 6 | – | – |
| December | 11 | – | – |
| Year to date (Jan–Jul) | 122 | 130 | ▲ 6.6% |
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 | 60.0% | 100.0% | ▲ 66.7% |
| February | 60.0% | 100.0% | ▲ 66.7% |
| March | 63.0% | 61.1% | ▼ 2.9% |
| April | 69.2% | 46.9% | ▼ 32.3% |
| May | 100.0% | 51.6% | ▼ 48.4% |
| June | 60.0% | 55.6% | ▼ 7.4% |
| July | 72.7% | 88.9% | ▲ 22.2% |
| August | 66.7% | – | – |
| September | 50.0% | – | – |
| October | 95.5% | – | in progress |
| November | 83.3% | – | – |
| December | 90.9% | – | – |
| Year-to-date average (Jan–Jul) | 69.3% | 72.0% | ▲ 3.9% |
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 | 0 | 0 | – |
| February | 0 | 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 | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 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 100.0% 325
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 26, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ONT HOU Ontario International Airport – William P. Hobby Airport | 2,160 | 18.0 min | 51.7% | 58 |
| MDW PHL Chicago Midway International Airport – Philadelphia International Airport | 1,073 | 31.3 min | 64.3% | 42 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 9 | 9 | 88.9% | 0 |
| November 2024 | 5 | 5 | 80.0% | 0 |
| December 2024 | 10 | 10 | 50.0% | 0 |
| January 2025 | 5 | 5 | 60.0% | 0 |
| February 2025 | 10 | 10 | 60.0% | 0 |
| March 2025 | 27 | 27 | 63.0% | 0 |
| April 2025 | 13 | 13 | 69.2% | 0 |
| May 2025 | 9 | 9 | 100.0% | 0 |
| June 2025 | 25 | 25 | 60.0% | 0 |
| July 2025 | 33 | 33 | 72.7% | 0 |
| August 2025 | 6 | 6 | 66.7% | 0 |
| September 2025 | 4 | 4 | 50.0% | 0 |
| October 2025 | 22 | 22 | 95.5% | 0 |
| November 2025 | 6 | 6 | 83.3% | 0 |
| December 2025 | 11 | 11 | 90.9% | 0 |
| January 2026 | 3 | 3 | 100.0% | 0 |
| February 2026 | 1 | 1 | 100.0% | 0 |
| March 2026 | 36 | 36 | 61.1% | 0 |
| April 2026 | 32 | 32 | 46.9% | 0 |
| May 2026 | 31 | 31 | 51.6% | 0 |
| June 2026 | 18 | 18 | 55.6% | 0 |
| July 2026 | 9 | 9 | 88.9% | 0 |