WN3948
WN3948 (Southwest Airlines) is a multi-stop service on 25 routes, busiest Milwaukee to Atlanta. Of 383 departures recorded from October 2024 to July 2026, 77.9% left on time, according to the US BTS.
- On-time departures77.9%of 383 flights
- Average delay11.7 min
- July 202621▼ 4.5%vs July 2025
- Cancelled0.8%
- Legs flown under this number25
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 11 | 4 | ▼ 63.6% |
| February | 19 | – | – |
| March | 33 | 24 | ▼ 27.3% |
| April | 17 | 27 | ▲ 58.8% |
| May | 7 | 26 | ▲ 271.4% |
| June | 20 | 23 | ▲ 15.0% |
| July | 22 | 21 | ▼ 4.5% |
| August | 7 | – | – |
| September | 4 | – | – |
| October | 33 | – | in progress |
| November | 20 | – | – |
| December | 15 | – | – |
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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 90.9% | 50.0% | ▼ 45.0% |
| February | 100.0% | – | – |
| March | 90.6% | 82.6% | ▼ 8.8% |
| April | 58.8% | 92.6% | ▲ 57.4% |
| May | 85.7% | 73.1% | ▼ 14.7% |
| June | 95.0% | 34.8% | ▼ 63.4% |
| July | 81.8% | 28.6% | ▼ 65.1% |
| August | 100.0% | – | – |
| September | 75.0% | – | – |
| October | 81.3% | – | in progress |
| November | 75.0% | – | – |
| December | 66.7% | – | – |
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 periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | – | – |
| March | 1 | 1 | 0.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | 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 99.2% 380
- Cancelled 0.8% 3
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MKE ATL General Mitchell International Airport – Hartsfield Jackson Atlanta International Airport | 1,078 | 0.6 min | 98.2% | 54 |
| STL BOS St. Louis Lambert International Airport – Boston Logan International Airport | 1,680 | 13.9 min | 79.6% | 49 |
| OKC DEN OKC Will Rogers World Airport – Denver International Airport | 796 | 4.2 min | 71.4% | 35 |
| STL MCO St. Louis Lambert International Airport – Orlando International Airport | 1,420 | 48.2 min | 20.6% | 34 |
| RDU BWI Raleigh-Durham International Airport – Baltimore/Washington International Thurgood Marshall Airport | 411 | 2.4 min | 88.2% | 34 |
| ALB BWI Albany International Airport – Baltimore/Washington International Thurgood Marshall Airport | 464 | 4.4 min | 87.5% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 10 | 10 | 90.0% | 0 |
| November 2024 | 21 | 21 | 90.5% | 0 |
| December 2024 | 19 | 19 | 89.5% | 0 |
| January 2025 | 11 | 11 | 90.9% | 0 |
| February 2025 | 19 | 19 | 100.0% | 0 |
| March 2025 | 33 | 32 | 90.6% | 1 |
| April 2025 | 17 | 17 | 58.8% | 0 |
| May 2025 | 7 | 7 | 85.7% | 0 |
| June 2025 | 20 | 20 | 95.0% | 0 |
| July 2025 | 22 | 22 | 81.8% | 0 |
| August 2025 | 7 | 7 | 100.0% | 0 |
| September 2025 | 4 | 4 | 75.0% | 0 |
| October 2025 | 33 | 32 | 81.3% | 1 |
| November 2025 | 20 | 20 | 75.0% | 0 |
| December 2025 | 15 | 15 | 66.7% | 0 |
| January 2026 | 4 | 4 | 50.0% | 0 |
| March 2026 | 24 | 23 | 82.6% | 1 |
| April 2026 | 27 | 27 | 92.6% | 0 |
| May 2026 | 26 | 26 | 73.1% | 0 |
| June 2026 | 23 | 23 | 34.8% | 0 |
| July 2026 | 21 | 21 | 28.6% | 0 |