WN4367
WN4367 (Southwest Airlines) is a multi-stop service on 21 routes, busiest Milwaukee to Phoenix. Of 323 departures recorded from October 2024 to July 2026, 70.3% left on time, according to the US BTS.
- On-time departures70.3%of 323 flights
- Average delay18.7 min
- July 202628▲ 250.0%vs July 2025
- Cancelled0.9%
- 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 | 30 | 2 | ▼ 93.3% |
| February | 28 | 2 | ▼ 92.9% |
| March | 31 | 27 | ▼ 12.9% |
| April | 16 | 6 | ▼ 62.5% |
| May | 14 | 3 | ▼ 78.6% |
| June | 9 | 24 | ▲ 166.7% |
| July | 8 | 28 | ▲ 250.0% |
| August | 5 | – | – |
| September | 4 | – | – |
| October | 25 | – | in progress |
| November | 5 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 136 | 92 | ▼ 32.4% |
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 | 86.7% | 50.0% | ▼ 42.3% |
| February | 82.1% | 100.0% | ▲ 21.7% |
| March | 77.4% | 88.9% | ▲ 14.8% |
| April | 56.3% | 100.0% | ▲ 77.8% |
| May | 21.4% | 100.0% | ▲ 366.6% |
| June | 55.6% | 58.3% | ▲ 5.0% |
| July | 50.0% | 53.9% | ▲ 7.7% |
| August | 20.0% | – | – |
| September | 0.0% | – | – |
| October | 100.0% | – | in progress |
| November | 40.0% | – | – |
| December | 50.0% | – | – |
| Year-to-date average (Jan–Jul) | 61.4% | 78.7% | ▲ 28.3% |
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 | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 2 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 3 |
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 99.1% 320
- Cancelled 0.9% 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
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MKE PHX General Mitchell International Airport – Phoenix Sky Harbor International Airport | 2,346 | 12.4 min | 77.7% | 85 |
| PIT MCO Pittsburgh International Airport – Orlando International Airport | 1,345 | 4.1 min | 90.9% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 12 | 12 | 100.0% | 0 |
| November 2024 | 15 | 15 | 66.7% | 0 |
| December 2024 | 27 | 27 | 63.0% | 0 |
| January 2025 | 30 | 30 | 86.7% | 0 |
| February 2025 | 28 | 28 | 82.1% | 0 |
| March 2025 | 31 | 31 | 77.4% | 0 |
| April 2025 | 16 | 16 | 56.3% | 0 |
| May 2025 | 14 | 14 | 21.4% | 0 |
| June 2025 | 9 | 9 | 55.6% | 0 |
| July 2025 | 8 | 8 | 50.0% | 0 |
| August 2025 | 5 | 5 | 20.0% | 0 |
| September 2025 | 4 | 4 | 0.0% | 0 |
| October 2025 | 25 | 25 | 100.0% | 0 |
| November 2025 | 5 | 5 | 40.0% | 0 |
| December 2025 | 2 | 2 | 50.0% | 0 |
| January 2026 | 2 | 2 | 50.0% | 0 |
| February 2026 | 2 | 1 | 100.0% | 1 |
| March 2026 | 27 | 27 | 88.9% | 0 |
| April 2026 | 6 | 6 | 100.0% | 0 |
| May 2026 | 3 | 3 | 100.0% | 0 |
| June 2026 | 24 | 24 | 58.3% | 0 |
| July 2026 | 28 | 26 | 53.9% | 2 |