WN3993
WN3993 (Southwest Airlines) is a multi-stop service on 21 routes, busiest Manchester to Baltimore. Of 410 departures recorded from October 2024 to July 2026, 76.2% left on time, according to the US BTS.
- On-time departures76.2%of 410 flights
- Average delay10.5 min
- July 202617▼ 66.7%vs July 2025
- Cancelled0.7%
- Legs flown under this number21
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 | 14 | 25 | ▲ 78.6% |
| February | 16 | 34 | ▲ 112.5% |
| March | 29 | 20 | ▼ 31.0% |
| April | 7 | 13 | ▲ 85.7% |
| May | 1 | 13 | ▲ 1,200.0% |
| June | 38 | 17 | ▼ 55.3% |
| July | 51 | 17 | ▼ 66.7% |
| August | 8 | – | – |
| September | 4 | – | – |
| October | 17 | – | in progress |
| November | 5 | – | – |
| December | 11 | – | – |
| Year to date (Jan–Jul) | 156 | 139 | ▼ 10.9% |
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 | 64.3% | 88.0% | ▲ 36.9% |
| February | 86.7% | 76.5% | ▼ 11.8% |
| March | 67.9% | 80.0% | ▲ 17.9% |
| April | 85.7% | 100.0% | ▲ 16.7% |
| May | 0.0% | 92.3% | – |
| June | 60.5% | 94.1% | ▲ 55.5% |
| July | 66.7% | 82.4% | ▲ 23.5% |
| August | 42.9% | – | – |
| September | 25.0% | – | – |
| October | 41.2% | – | in progress |
| November | 40.0% | – | – |
| December | 100.0% | – | – |
| Year-to-date average (Jan–Jul) | 61.7% | 87.6% | ▲ 42.0% |
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 | 0 | 0 | – |
| February | 1 | 0 | ▼ 100.0% |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 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 99.3% 407
- Cancelled 0.7% 3
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MHT BWI Manchester-Boston Regional Airport – Baltimore/Washington International Thurgood Marshall Airport | 606 | -2.0 min | 93.0% | 59 |
| PHX RNO Phoenix Sky Harbor International Airport – Reno Tahoe International Airport | 967 | 8.0 min | 77.4% | 53 |
| DAL LAS Dallas Love Field – Harry Reid International Airport | 1,714 | 21.8 min | 47.6% | 43 |
| BNA LAS Nashville International Airport – Harry Reid International Airport | 2,549 | 4.2 min | 85.3% | 34 |
| LAS AUS Harry Reid International Airport – Austin Bergstrom International Airport | 1,752 | 15.1 min | 72.7% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 31 | 31 | 80.7% | 0 |
| November 2024 | 15 | 15 | 93.3% | 0 |
| December 2024 | 24 | 24 | 100.0% | 0 |
| January 2025 | 14 | 14 | 64.3% | 0 |
| February 2025 | 16 | 15 | 86.7% | 1 |
| March 2025 | 29 | 28 | 67.9% | 1 |
| April 2025 | 7 | 7 | 85.7% | 0 |
| May 2025 | 1 | 1 | 0.0% | 0 |
| June 2025 | 38 | 38 | 60.5% | 0 |
| July 2025 | 51 | 51 | 66.7% | 0 |
| August 2025 | 8 | 7 | 42.9% | 1 |
| September 2025 | 4 | 4 | 25.0% | 0 |
| October 2025 | 17 | 17 | 41.2% | 0 |
| November 2025 | 5 | 5 | 40.0% | 0 |
| December 2025 | 11 | 11 | 100.0% | 0 |
| January 2026 | 25 | 25 | 88.0% | 0 |
| February 2026 | 34 | 34 | 76.5% | 0 |
| March 2026 | 20 | 20 | 80.0% | 0 |
| April 2026 | 13 | 13 | 100.0% | 0 |
| May 2026 | 13 | 13 | 92.3% | 0 |
| June 2026 | 17 | 17 | 94.1% | 0 |
| July 2026 | 17 | 17 | 82.4% | 0 |