WN3381
WN3381 (Southwest Airlines) is a multi-stop service on 21 routes, busiest Washington to Milwaukee. Of 280 departures recorded from October 2024 to March 2026, 67.0% left on time, according to the US BTS.
- On-time departures67.0%of 280 flights
- Average delay22.8 min
- March 20261▼ 66.7%vs March 2025
- Cancelled1.4%
- Legs flown under this number21
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 10 | 4 | ▼ 60.0% |
| February | 19 | 7 | ▼ 63.2% |
| March | 3 | 1 | ▼ 66.7% |
| April | 3 | – | – |
| May | 3 | – | – |
| June | 43 | – | – |
| July | 47 | – | – |
| August | 33 | – | – |
| September | 30 | – | – |
| October | 1 | – | in progress |
| November | 18 | – | – |
| December | 15 | – | – |
| Year to date (Jan–Mar) | 32 | 12 | ▼ 62.5% |
according to the US BTS · October 2024 → March 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 periods15 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 90.0% | 75.0% | ▼ 16.7% |
| February | 73.7% | 57.1% | ▼ 22.4% |
| March | 66.7% | 100.0% | ▲ 50.0% |
| April | 66.7% | – | – |
| May | 66.7% | – | – |
| June | 56.1% | – | – |
| July | 43.5% | – | – |
| August | 75.8% | – | – |
| September | 90.0% | – | – |
| October | 100.0% | – | in progress |
| November | 27.8% | – | – |
| December | 42.9% | – | – |
| Year-to-date average (Jan–Mar) | 76.8% | 77.4% | ▲ 0.8% |
according to the US BTS · October 2024 → March 2026
Average departure delay by month
according to the US BTS · October 2024 → March 2026
Cancelled departures by month
The most recent periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | – | – |
| May | 0 | – | – |
| June | 2 | – | – |
| July | 1 | – | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Mar) | 0 | 0 |
according to the US BTS · October 2024 → March 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 98.6% 276
- Cancelled 1.4% 4
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Mar 1, 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 |
|---|---|---|---|---|
| DCA MKE Ronald Reagan Washington National Airport – General Mitchell International Airport | 1,019 | 40.7 min | 48.3% | 61 |
| PHX ONT Phoenix Sky Harbor International Airport – Ontario International Airport | 522 | 5.2 min | 87.7% | 57 |
| MKE LAS General Mitchell International Airport – Harry Reid International Airport | 2,447 | 44.7 min | 51.4% | 35 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 13 | 13 | 100.0% | 0 |
| November 2024 | 19 | 19 | 94.7% | 0 |
| December 2024 | 11 | 11 | 90.9% | 0 |
| January 2025 | 10 | 10 | 90.0% | 0 |
| February 2025 | 19 | 19 | 73.7% | 0 |
| March 2025 | 3 | 3 | 66.7% | 0 |
| April 2025 | 3 | 3 | 66.7% | 0 |
| May 2025 | 3 | 3 | 66.7% | 0 |
| June 2025 | 43 | 41 | 56.1% | 2 |
| July 2025 | 47 | 46 | 43.5% | 1 |
| August 2025 | 33 | 33 | 75.8% | 0 |
| September 2025 | 30 | 30 | 90.0% | 0 |
| October 2025 | 1 | 1 | 100.0% | 0 |
| November 2025 | 18 | 18 | 27.8% | 0 |
| December 2025 | 15 | 14 | 42.9% | 1 |
| January 2026 | 4 | 4 | 75.0% | 0 |
| February 2026 | 7 | 7 | 57.1% | 0 |
| March 2026 | 1 | 1 | 100.0% | 0 |