WN4622
WN4622 (Southwest Airlines) is a multi-stop service on 18 routes, busiest Baltimore to Charleston. Of 376 departures recorded from October 2024 to July 2026, 76.8% left on time, according to the US BTS.
- On-time departures76.8%of 376 flights
- Average delay11.4 min
- July 202626
- Cancelled1.6%
- Legs flown under this number18
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 32 | ▲ 3,100.0% |
| February | – | 49 | – |
| March | 18 | 40 | ▲ 122.2% |
| April | 34 | 31 | ▼ 8.8% |
| May | 41 | 30 | ▼ 26.8% |
| June | 4 | 26 | ▲ 550.0% |
| July | – | 26 | – |
| August | – | – | – |
| September | – | – | – |
| October | 13 | – | in progress |
| November | 3 | – | – |
| December | 2 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods15 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 0.0% | 79.3% | – |
| February | – | 79.6% | – |
| March | 94.4% | 64.9% | ▼ 31.3% |
| April | 97.1% | 64.5% | ▼ 33.5% |
| May | 75.6% | 53.3% | ▼ 29.5% |
| June | 100.0% | 73.1% | ▼ 26.9% |
| July | – | 88.5% | – |
| August | – | – | – |
| September | – | – | – |
| October | 92.3% | – | in progress |
| November | 66.7% | – | – |
| December | 100.0% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 3 | – |
| February | – | 0 | – |
| March | 0 | 3 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 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 98.4% 370
- Cancelled 1.6% 6
Share of all recorded flights in the period, all legs. · Oct 14, 2024 → Jul 31, 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 |
|---|---|---|---|---|
| MKE TPA General Mitchell International Airport – Tampa International Airport | 1,733 | 0.2 min | 93.1% | 58 |
| BWI CHS Baltimore/Washington International Thurgood Marshall Airport – Charleston International Airport | 761 | 10.3 min | 82.1% | 58 |
| LBB DAL Lubbock Preston Smith International Airport – Dallas Love Field | 472 | 24.2 min | 62.0% | 50 |
| BNA GSP Nashville International Airport – Greenville-Spartanburg International Airport | 426 | 9.2 min | 81.6% | 49 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 7 | 7 | 85.7% | 0 |
| November 2024 | 14 | 14 | 64.3% | 0 |
| December 2024 | 5 | 5 | 80.0% | 0 |
| January 2025 | 1 | 1 | 0.0% | 0 |
| March 2025 | 18 | 18 | 94.4% | 0 |
| April 2025 | 34 | 34 | 97.1% | 0 |
| May 2025 | 41 | 41 | 75.6% | 0 |
| June 2025 | 4 | 4 | 100.0% | 0 |
| October 2025 | 13 | 13 | 92.3% | 0 |
| November 2025 | 3 | 3 | 66.7% | 0 |
| December 2025 | 2 | 2 | 100.0% | 0 |
| January 2026 | 32 | 29 | 79.3% | 3 |
| February 2026 | 49 | 49 | 79.6% | 0 |
| March 2026 | 40 | 37 | 64.9% | 3 |
| April 2026 | 31 | 31 | 64.5% | 0 |
| May 2026 | 30 | 30 | 53.3% | 0 |
| June 2026 | 26 | 26 | 73.1% | 0 |
| July 2026 | 26 | 26 | 88.5% | 0 |