WN3509
WN3509 (Southwest Airlines) is a multi-stop service on 22 routes, busiest Panama City Beach to St Louis. Of 387 departures recorded from October 2024 to July 2026, 71.4% left on time, according to the US BTS.
- On-time departures71.4%of 387 flights
- Average delay12.5 min
- July 202625▲ 8.7%vs July 2025
- Cancelled0.5%
- 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 | 6 | 27 | ▲ 350.0% |
| February | 8 | 24 | ▲ 200.0% |
| March | 17 | 8 | ▼ 52.9% |
| April | 27 | 11 | ▼ 59.3% |
| May | 31 | 13 | ▼ 58.1% |
| June | 22 | 23 | ▲ 4.5% |
| July | 23 | 25 | ▲ 8.7% |
| August | 5 | – | – |
| September | 4 | – | – |
| October | 1 | – | in progress |
| November | 29 | – | – |
| December | 33 | – | – |
| Year to date (Jan–Jul) | 134 | 131 | ▼ 2.2% |
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 | 50.0% | 70.4% | ▲ 40.7% |
| February | 50.0% | 70.8% | ▲ 41.7% |
| March | 82.4% | 62.5% | ▼ 24.1% |
| April | 96.2% | 18.2% | ▼ 81.1% |
| May | 90.3% | 30.8% | ▼ 65.9% |
| June | 95.5% | 56.5% | ▼ 40.8% |
| July | 90.9% | 40.0% | ▼ 56.0% |
| August | 40.0% | – | – |
| September | 50.0% | – | – |
| October | 100.0% | – | in progress |
| November | 93.1% | – | – |
| December | 72.7% | – | – |
| Year-to-date average (Jan–Jul) | 79.3% | 49.9% | ▼ 37.1% |
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 | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 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 99.5% 385
- Cancelled 0.5% 2
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 29, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ECP STL Northwest Florida Beaches International Airport – St. Louis Lambert International Airport | 1,022 | -1.9 min | 94.7% | 58 |
| SJC AUS Mineta San Jose International Airport – Austin Bergstrom International Airport | 2,372 | 10.5 min | 68.0% | 50 |
| DEN RNO Denver International Airport – Reno Tahoe International Airport | 1,291 | 10.1 min | 75.6% | 45 |
| LAX OAK Los Angeles International Airport – Oakland San Francisco Bay Airport | 543 | 1.0 min | 92.9% | 43 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 3 | 3 | 33.3% | 0 |
| November 2024 | 21 | 21 | 76.2% | 0 |
| December 2024 | 26 | 26 | 65.4% | 0 |
| January 2025 | 6 | 6 | 50.0% | 0 |
| February 2025 | 8 | 8 | 50.0% | 0 |
| March 2025 | 17 | 17 | 82.4% | 0 |
| April 2025 | 27 | 26 | 96.2% | 1 |
| May 2025 | 31 | 31 | 90.3% | 0 |
| June 2025 | 22 | 22 | 95.5% | 0 |
| July 2025 | 23 | 22 | 90.9% | 1 |
| August 2025 | 5 | 5 | 40.0% | 0 |
| September 2025 | 4 | 4 | 50.0% | 0 |
| October 2025 | 1 | 1 | 100.0% | 0 |
| November 2025 | 29 | 29 | 93.1% | 0 |
| December 2025 | 33 | 33 | 72.7% | 0 |
| January 2026 | 27 | 27 | 70.4% | 0 |
| February 2026 | 24 | 24 | 70.8% | 0 |
| March 2026 | 8 | 8 | 62.5% | 0 |
| April 2026 | 11 | 11 | 18.2% | 0 |
| May 2026 | 13 | 13 | 30.8% | 0 |
| June 2026 | 23 | 23 | 56.5% | 0 |
| July 2026 | 25 | 25 | 40.0% | 0 |