WN4688
WN4688 (Southwest Airlines) is a multi-stop service on 13 routes, busiest Baltimore to Tampa. Of 201 departures recorded from October 2024 to July 2026, 71.9% left on time, according to the US BTS.
- On-time departures71.9%of 201 flights
- Average delay14.2 min
- July 202617
- Cancelled1.0%
- Legs flown under this number13
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods13 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 24 | ▲ 2,300.0% |
| February | – | 18 | – |
| March | 22 | 3 | ▼ 86.4% |
| April | 6 | 3 | ▼ 50.0% |
| May | – | 5 | – |
| June | – | 16 | – |
| July | – | 17 | – |
| August | – | – | – |
| September | – | – | – |
| October | 38 | – | in progress |
| November | 6 | – | – |
| December | 11 | – | – |
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 periods13 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 75.0% | ▼ 25.0% |
| February | – | 77.8% | – |
| March | 77.3% | 66.7% | ▼ 13.7% |
| April | 83.3% | 100.0% | ▲ 20.0% |
| May | – | 60.0% | – |
| June | – | 66.7% | – |
| July | – | 41.2% | – |
| August | – | – | – |
| September | – | – | – |
| October | 71.1% | – | in progress |
| November | 80.0% | – | – |
| December | 81.8% | – | – |
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 periods13 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | – | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | – | 0 | – |
| June | – | 1 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| 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 99.0% 199
- Cancelled 1.0% 2
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BWI TPA Baltimore/Washington International Thurgood Marshall Airport – Tampa International Airport | 1,358 | 18.3 min | 75.6% | 41 |
| BNA ORF Nashville International Airport – Norfolk International Airport | 940 | 23.8 min | 53.1% | 33 |
| HOU OKC William P. Hobby Airport – OKC Will Rogers World Airport | 675 | 15.3 min | 64.5% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 13 | 13 | 69.2% | 0 |
| November 2024 | 14 | 14 | 78.6% | 0 |
| December 2024 | 4 | 4 | 75.0% | 0 |
| January 2025 | 1 | 1 | 100.0% | 0 |
| March 2025 | 22 | 22 | 77.3% | 0 |
| April 2025 | 6 | 6 | 83.3% | 0 |
| October 2025 | 38 | 38 | 71.1% | 0 |
| November 2025 | 6 | 5 | 80.0% | 1 |
| December 2025 | 11 | 11 | 81.8% | 0 |
| January 2026 | 24 | 24 | 75.0% | 0 |
| February 2026 | 18 | 18 | 77.8% | 0 |
| March 2026 | 3 | 3 | 66.7% | 0 |
| April 2026 | 3 | 3 | 100.0% | 0 |
| May 2026 | 5 | 5 | 60.0% | 0 |
| June 2026 | 16 | 15 | 66.7% | 1 |
| July 2026 | 17 | 17 | 41.2% | 0 |