WN3237
WN3237 (Southwest Airlines) is a multi-stop service on 29 routes, busiest Charleston to Baltimore. Of 666 departures recorded from October 2024 to July 2026, 77.7% left on time, according to the US BTS.
- On-time departures77.7%of 666 flights
- Average delay10.1 min
- July 202638▲ 22.6%vs July 2025
- Cancelled1.1%
- 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 | 19 | 15 | ▼ 21.1% |
| February | 44 | 15 | ▼ 65.9% |
| March | 33 | 3 | ▼ 90.9% |
| April | 30 | 27 | ▼ 10.0% |
| May | 31 | 31 | 0.0% |
| June | 30 | 38 | ▲ 26.7% |
| July | 31 | 38 | ▲ 22.6% |
| August | 45 | – | – |
| September | 47 | – | – |
| October | 30 | – | in progress |
| November | 35 | – | – |
| December | 51 | – | – |
| Year to date (Jan–Jul) | 218 | 167 | ▼ 23.4% |
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% | 60.0% | ▼ 32.5% |
| February | 81.8% | 60.0% | ▼ 26.7% |
| March | 87.1% | 33.3% | ▼ 61.7% |
| April | 83.3% | 77.8% | ▼ 6.7% |
| May | 76.7% | 61.3% | ▼ 20.1% |
| June | 86.2% | 76.3% | ▼ 11.5% |
| July | 80.0% | 71.1% | ▼ 11.2% |
| August | 91.1% | – | – |
| September | 89.4% | – | – |
| October | 80.0% | – | in progress |
| November | 54.3% | – | – |
| December | 58.8% | – | – |
| Year-to-date average (Jan–Jul) | 83.4% | 62.8% | ▼ 24.7% |
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 | 2 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 1 | 0 | ▼ 100.0% |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 6 | 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 98.9% 659
- Cancelled 1.1% 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
10Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 13 | 13 | 84.6% | 0 |
| November 2024 | 29 | 28 | 96.4% | 1 |
| December 2024 | 31 | 31 | 87.1% | 0 |
| January 2025 | 19 | 18 | 88.9% | 1 |
| February 2025 | 44 | 44 | 81.8% | 0 |
| March 2025 | 33 | 31 | 87.1% | 2 |
| April 2025 | 30 | 30 | 83.3% | 0 |
| May 2025 | 31 | 30 | 76.7% | 1 |
| June 2025 | 30 | 29 | 86.2% | 1 |
| July 2025 | 31 | 30 | 80.0% | 1 |
| August 2025 | 45 | 45 | 91.1% | 0 |
| September 2025 | 47 | 47 | 89.4% | 0 |
| October 2025 | 30 | 30 | 80.0% | 0 |
| November 2025 | 35 | 35 | 54.3% | 0 |
| December 2025 | 51 | 51 | 58.8% | 0 |
| January 2026 | 15 | 15 | 60.0% | 0 |
| February 2026 | 15 | 15 | 60.0% | 0 |
| March 2026 | 3 | 3 | 33.3% | 0 |
| April 2026 | 27 | 27 | 77.8% | 0 |
| May 2026 | 31 | 31 | 61.3% | 0 |
| June 2026 | 38 | 38 | 76.3% | 0 |
| July 2026 | 38 | 38 | 71.1% | 0 |