WN3981
WN3981 (Southwest Airlines) is a multi-stop service on 16 routes, busiest Minneapolis to Chicago. Of 317 departures recorded from October 2024 to July 2026, 75.3% left on time, according to the US BTS.
- On-time departures75.3%of 317 flights
- Average delay11.2 min
- July 202639
- Cancelled0.3%
- Legs flown under this number16
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 29 | 7 | ▼ 75.9% |
| February | 20 | 18 | ▼ 10.0% |
| March | 8 | 29 | ▲ 262.5% |
| April | 1 | 22 | ▲ 2,100.0% |
| May | – | 23 | – |
| June | – | 35 | – |
| July | – | 39 | – |
| August | – | – | – |
| September | – | – | – |
| October | 27 | – | in progress |
| November | 4 | – | – |
| December | 9 | – | – |
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 periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 96.4% | 71.4% | ▼ 25.9% |
| February | 100.0% | 72.2% | ▼ 27.8% |
| March | 62.5% | 82.8% | ▲ 32.4% |
| April | 100.0% | 90.9% | ▼ 9.1% |
| May | – | 60.9% | – |
| June | – | 51.4% | – |
| July | – | 56.4% | – |
| August | – | – | – |
| September | – | – | – |
| October | 66.7% | – | in progress |
| November | 100.0% | – | – |
| December | 100.0% | – | – |
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 periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | – | 0 | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| 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 99.7% 316
- Cancelled 0.3% 1
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MSP MDW Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – Chicago Midway International Airport | 560 | 1.3 min | 96.1% | 78 |
| STL SEA St. Louis Lambert International Airport – Seattle–Tacoma International Airport | 2,744 | 18.9 min | 57.9% | 57 |
| LAS DEN Harry Reid International Airport – Denver International Airport | 1,009 | 5.1 min | 84.9% | 33 |
| MDW LAS Chicago Midway International Airport – Harry Reid International Airport | 2,442 | 9.9 min | 81.3% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 7 | 7 | 100.0% | 0 |
| November 2024 | 14 | 14 | 92.9% | 0 |
| December 2024 | 25 | 25 | 72.0% | 0 |
| January 2025 | 29 | 28 | 96.4% | 1 |
| February 2025 | 20 | 20 | 100.0% | 0 |
| March 2025 | 8 | 8 | 62.5% | 0 |
| April 2025 | 1 | 1 | 100.0% | 0 |
| October 2025 | 27 | 27 | 66.7% | 0 |
| November 2025 | 4 | 4 | 100.0% | 0 |
| December 2025 | 9 | 9 | 100.0% | 0 |
| January 2026 | 7 | 7 | 71.4% | 0 |
| February 2026 | 18 | 18 | 72.2% | 0 |
| March 2026 | 29 | 29 | 82.8% | 0 |
| April 2026 | 22 | 22 | 90.9% | 0 |
| May 2026 | 23 | 23 | 60.9% | 0 |
| June 2026 | 35 | 35 | 51.4% | 0 |
| July 2026 | 39 | 39 | 56.4% | 0 |