WN1661
WN1661 (Southwest Airlines) is a multi-stop service on 22 routes, busiest Houston to Fort Lauderdale. Of 544 departures recorded from October 2024 to July 2026, 76.0% left on time, according to the US BTS.
- On-time departures76.0%of 544 flights
- Average delay14.1 min
- July 202618▼ 47.1%vs July 2025
- Cancelled1.1%
- Legs flown under this number22
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 | 13 | ▼ 53.6% |
| February | 23 | 23 | 0.0% |
| March | 30 | 37 | ▲ 23.3% |
| April | 15 | 31 | ▲ 106.7% |
| May | 9 | 31 | ▲ 244.4% |
| June | 26 | 19 | ▼ 26.9% |
| July | 34 | 18 | ▼ 47.1% |
| August | 29 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 18 | – | – |
| December | 27 | – | – |
| Year to date (Jan–Jul) | 165 | 172 | ▲ 4.2% |
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 | 88.9% | 61.5% | ▼ 30.8% |
| February | 65.2% | 91.3% | ▲ 40.0% |
| March | 90.0% | 40.0% | ▼ 55.6% |
| April | 86.7% | 64.5% | ▼ 25.6% |
| May | 88.9% | 35.5% | ▼ 60.1% |
| June | 56.0% | 79.0% | ▲ 41.0% |
| July | 70.6% | 88.9% | ▲ 25.9% |
| August | 96.6% | – | – |
| September | 100.0% | – | – |
| October | 100.0% | – | in progress |
| November | 61.1% | – | – |
| December | 50.0% | – | – |
| Year-to-date average (Jan–Jul) | 78.0% | 65.8% | ▼ 15.7% |
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 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 2 | 2 | 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 98.9% 538
- Cancelled 1.1% 6
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
10Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 100.0% | 0 |
| November 2024 | 27 | 27 | 96.3% | 0 |
| December 2024 | 28 | 28 | 85.7% | 0 |
| January 2025 | 28 | 27 | 88.9% | 1 |
| February 2025 | 23 | 23 | 65.2% | 0 |
| March 2025 | 30 | 30 | 90.0% | 0 |
| April 2025 | 15 | 15 | 86.7% | 0 |
| May 2025 | 9 | 9 | 88.9% | 0 |
| June 2025 | 26 | 25 | 56.0% | 1 |
| July 2025 | 34 | 34 | 70.6% | 0 |
| August 2025 | 29 | 29 | 96.6% | 0 |
| September 2025 | 30 | 30 | 100.0% | 0 |
| October 2025 | 31 | 30 | 100.0% | 1 |
| November 2025 | 18 | 18 | 61.1% | 0 |
| December 2025 | 27 | 26 | 50.0% | 1 |
| January 2026 | 13 | 13 | 61.5% | 0 |
| February 2026 | 23 | 23 | 91.3% | 0 |
| March 2026 | 37 | 35 | 40.0% | 2 |
| April 2026 | 31 | 31 | 64.5% | 0 |
| May 2026 | 31 | 31 | 35.5% | 0 |
| June 2026 | 19 | 19 | 79.0% | 0 |
| July 2026 | 18 | 18 | 88.9% | 0 |