WN4736
WN4736 (Southwest Airlines) is a multi-stop service on 7 routes, busiest Baltimore to Manchester. Of 185 departures recorded from November 2024 to July 2026, 80.0% left on time, according to the US BTS.
- On-time departures80.0%of 185 flights
- Average delay14.0 min
- July 202627
- Cancelled2.7%
- Legs flown under this number7
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods11 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 29 | ▲ 2,800.0% |
| February | – | 28 | – |
| March | – | 4 | – |
| April | 15 | – | – |
| May | 23 | – | – |
| June | 2 | 23 | ▲ 1,050.0% |
| July | – | 27 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 5 | – | – |
| December | 11 | – | – |
according to the US BTS · November 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 periods11 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 100.0% | 0.0% |
| February | – | 71.4% | – |
| March | – | 100.0% | – |
| April | 93.3% | – | – |
| May | 82.6% | – | – |
| June | 100.0% | 56.5% | ▼ 43.5% |
| July | – | 63.0% | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 80.0% | – | – |
| December | 90.9% | – | – |
according to the US BTS · November 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · November 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods11 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 3 | – |
| February | – | 0 | – |
| March | – | 0 | – |
| April | 0 | – | – |
| May | 0 | – | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · November 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 97.3% 180
- Cancelled 2.7% 5
Share of all recorded flights in the period, all legs. · Nov 3, 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 MHT Baltimore/Washington International Thurgood Marshall Airport – Manchester-Boston Regional Airport | 606 | 39.1 min | 60.0% | 50 |
| DAL LAS Dallas Love Field – Harry Reid International Airport | 1,714 | 2.2 min | 93.2% | 47 |
| DEN MSP Denver International Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 1,092 | 2.8 min | 87.5% | 40 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 13 | 11 | 90.9% | 2 |
| December 2024 | 4 | 4 | 100.0% | 0 |
| January 2025 | 1 | 1 | 100.0% | 0 |
| April 2025 | 15 | 15 | 93.3% | 0 |
| May 2025 | 23 | 23 | 82.6% | 0 |
| June 2025 | 2 | 2 | 100.0% | 0 |
| November 2025 | 5 | 5 | 80.0% | 0 |
| December 2025 | 11 | 11 | 90.9% | 0 |
| January 2026 | 29 | 26 | 100.0% | 3 |
| February 2026 | 28 | 28 | 71.4% | 0 |
| March 2026 | 4 | 4 | 100.0% | 0 |
| June 2026 | 23 | 23 | 56.5% | 0 |
| July 2026 | 27 | 27 | 63.0% | 0 |