WN3431
WN3431 (Southwest Airlines) is a multi-stop service on 29 routes, busiest Fort Lauderdale to Pittsburgh. Of 722 departures recorded from October 2024 to July 2026, 77.5% left on time, according to the US BTS.
- On-time departures77.5%of 722 flights
- Average delay13.0 min
- July 202630▼ 36.2%vs July 2025
- Cancelled1.0%
- Legs flown under this number29
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 | 29 | 33 | ▲ 13.8% |
| February | 26 | 28 | ▲ 7.7% |
| March | 46 | 43 | ▼ 6.5% |
| April | 53 | 25 | ▼ 52.8% |
| May | 50 | 22 | ▼ 56.0% |
| June | 51 | 28 | ▼ 45.1% |
| July | 47 | 30 | ▼ 36.2% |
| August | 14 | – | – |
| September | 8 | – | – |
| October | 49 | – | in progress |
| November | 41 | – | – |
| December | 47 | – | – |
| Year to date (Jan–Jul) | 302 | 209 | ▼ 30.8% |
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 | 86.2% | 87.9% | ▲ 1.9% |
| February | 61.5% | 89.3% | ▲ 45.1% |
| March | 100.0% | 73.8% | ▼ 26.2% |
| April | 90.6% | 64.0% | ▼ 29.3% |
| May | 98.0% | 45.5% | ▼ 53.6% |
| June | 98.0% | 53.6% | ▼ 45.4% |
| July | 93.6% | 43.3% | ▼ 53.7% |
| August | 85.7% | – | – |
| September | 100.0% | – | – |
| October | 72.9% | – | in progress |
| November | 64.9% | – | – |
| December | 51.1% | – | – |
| Year-to-date average (Jan–Jul) | 89.7% | 65.3% | ▼ 27.2% |
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 | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 1 | 1 | 0.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 4 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 1 | 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 99.0% 715
- Cancelled 1.0% 7
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
11Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 70.6% | 0 |
| November 2024 | 20 | 20 | 60.0% | 0 |
| December 2024 | 15 | 15 | 73.3% | 0 |
| January 2025 | 29 | 29 | 86.2% | 0 |
| February 2025 | 26 | 26 | 61.5% | 0 |
| March 2025 | 46 | 45 | 100.0% | 1 |
| April 2025 | 53 | 53 | 90.6% | 0 |
| May 2025 | 50 | 50 | 98.0% | 0 |
| June 2025 | 51 | 51 | 98.0% | 0 |
| July 2025 | 47 | 47 | 93.6% | 0 |
| August 2025 | 14 | 14 | 85.7% | 0 |
| September 2025 | 8 | 8 | 100.0% | 0 |
| October 2025 | 49 | 48 | 72.9% | 1 |
| November 2025 | 41 | 37 | 64.9% | 4 |
| December 2025 | 47 | 47 | 51.1% | 0 |
| January 2026 | 33 | 33 | 87.9% | 0 |
| February 2026 | 28 | 28 | 89.3% | 0 |
| March 2026 | 43 | 42 | 73.8% | 1 |
| April 2026 | 25 | 25 | 64.0% | 0 |
| May 2026 | 22 | 22 | 45.5% | 0 |
| June 2026 | 28 | 28 | 53.6% | 0 |
| July 2026 | 30 | 30 | 43.3% | 0 |