WN4086
WN4086 (Southwest Airlines) is a multi-stop service on 23 routes, busiest Baltimore to Manchester. Of 429 departures recorded from October 2024 to July 2026, 83.1% left on time, according to the US BTS.
- On-time departures83.1%of 429 flights
- Average delay8.4 min
- July 202614▼ 54.8%vs July 2025
- Cancelled0.5%
- Legs flown under this number23
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 19 | 5 | ▼ 73.7% |
| February | 26 | – | – |
| March | 3 | 73 | ▲ 2,333.3% |
| April | – | 32 | – |
| May | 3 | 23 | ▲ 666.7% |
| June | 26 | 13 | ▼ 50.0% |
| July | 31 | 14 | ▼ 54.8% |
| August | 12 | – | – |
| September | 8 | – | – |
| October | 21 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 84.2% | 80.0% | ▼ 5.0% |
| February | 92.3% | – | – |
| March | 33.3% | 75.3% | ▲ 126.0% |
| April | – | 78.1% | – |
| May | 66.7% | 60.9% | ▼ 8.7% |
| June | 92.3% | 92.3% | 0.0% |
| July | 93.1% | 92.9% | ▼ 0.3% |
| August | 100.0% | – | – |
| September | 100.0% | – | – |
| October | 100.0% | – | in progress |
| November | 72.4% | – | – |
| December | 64.5% | – | – |
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 periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | – | – |
| March | 0 | 0 | – |
| April | – | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 2 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| 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 99.5% 427
- Cancelled 0.5% 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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BWI MHT Baltimore/Washington International Thurgood Marshall Airport – Manchester-Boston Regional Airport | 606 | 11.6 min | 87.7% | 73 |
| PHX MCO Phoenix Sky Harbor International Airport – Orlando International Airport | 2,969 | 13.4 min | 70.3% | 64 |
| OGG HNL Kahului International Airport – Daniel K. Inouye International Airport | 162 | -0.2 min | 93.2% | 61 |
| SMF SAN Sacramento International Airport – San Diego International Airport | 773 | 18.8 min | 50.0% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 100.0% | 0 |
| November 2024 | 24 | 24 | 91.7% | 0 |
| December 2024 | 20 | 20 | 90.0% | 0 |
| January 2025 | 19 | 19 | 84.2% | 0 |
| February 2025 | 26 | 26 | 92.3% | 0 |
| March 2025 | 3 | 3 | 33.3% | 0 |
| May 2025 | 3 | 3 | 66.7% | 0 |
| June 2025 | 26 | 26 | 92.3% | 0 |
| July 2025 | 31 | 29 | 93.1% | 2 |
| August 2025 | 12 | 12 | 100.0% | 0 |
| September 2025 | 8 | 8 | 100.0% | 0 |
| October 2025 | 21 | 21 | 100.0% | 0 |
| November 2025 | 29 | 29 | 72.4% | 0 |
| December 2025 | 31 | 31 | 64.5% | 0 |
| January 2026 | 5 | 5 | 80.0% | 0 |
| March 2026 | 73 | 73 | 75.3% | 0 |
| April 2026 | 32 | 32 | 78.1% | 0 |
| May 2026 | 23 | 23 | 60.9% | 0 |
| June 2026 | 13 | 13 | 92.3% | 0 |
| July 2026 | 14 | 14 | 92.9% | 0 |