WN120
WN120 (Southwest Airlines) is a multi-stop service on 41 routes, busiest Milwaukee to Phoenix. Of 884 departures recorded from October 2024 to July 2026, 78.2% left on time, according to the US BTS.
- On-time departures78.2%of 884 flights
- Average delay11.9 min
- July 202670▲ 32.1%vs July 2025
- Cancelled0.5%
- Legs flown under this number41
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 | 31 | 31 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 31 | 42 | ▲ 35.5% |
| April | 30 | 66 | ▲ 120.0% |
| May | 31 | 76 | ▲ 145.2% |
| June | 48 | 71 | ▲ 47.9% |
| July | 53 | 70 | ▲ 32.1% |
| August | 37 | – | – |
| September | 34 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 252 | 384 | ▲ 52.4% |
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 | 83.9% | 74.2% | ▼ 11.5% |
| February | 96.4% | 78.6% | ▼ 18.5% |
| March | 100.0% | 68.3% | ▼ 31.7% |
| April | 100.0% | 74.2% | ▼ 25.8% |
| May | 90.3% | 73.7% | ▼ 18.4% |
| June | 47.9% | 64.8% | ▲ 35.2% |
| July | 64.7% | 71.4% | ▲ 10.4% |
| August | 64.9% | – | – |
| September | 85.3% | – | – |
| October | 77.4% | – | in progress |
| November | 100.0% | – | – |
| December | 86.7% | – | – |
| Year-to-date average (Jan–Jul) | 83.3% | 72.2% | ▼ 13.4% |
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 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 2 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 2 | 1 | ▼ 50.0% |
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 99.5% 880
- Cancelled 0.5% 4
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
10Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 23 | 23 | 100.0% | 0 |
| November 2024 | 31 | 31 | 100.0% | 0 |
| December 2024 | 31 | 31 | 93.6% | 0 |
| January 2025 | 31 | 31 | 83.9% | 0 |
| February 2025 | 28 | 28 | 96.4% | 0 |
| March 2025 | 31 | 31 | 100.0% | 0 |
| April 2025 | 30 | 30 | 100.0% | 0 |
| May 2025 | 31 | 31 | 90.3% | 0 |
| June 2025 | 48 | 48 | 47.9% | 0 |
| July 2025 | 53 | 51 | 64.7% | 2 |
| August 2025 | 37 | 37 | 64.9% | 0 |
| September 2025 | 34 | 34 | 85.3% | 0 |
| October 2025 | 31 | 31 | 77.4% | 0 |
| November 2025 | 30 | 30 | 100.0% | 0 |
| December 2025 | 31 | 30 | 86.7% | 1 |
| January 2026 | 31 | 31 | 74.2% | 0 |
| February 2026 | 28 | 28 | 78.6% | 0 |
| March 2026 | 42 | 41 | 68.3% | 1 |
| April 2026 | 66 | 66 | 74.2% | 0 |
| May 2026 | 76 | 76 | 73.7% | 0 |
| June 2026 | 71 | 71 | 64.8% | 0 |
| July 2026 | 70 | 70 | 71.4% | 0 |