WN4192
WN4192 (Southwest Airlines) is a multi-stop service on 15 routes, busiest Chicago to Phoenix. Of 348 departures recorded from October 2024 to July 2026, 69.8% left on time, according to the US BTS.
- On-time departures69.8%of 348 flights
- Average delay16.0 min
- July 20263▼ 90.0%vs July 2025
- Cancelled0.0%
- Legs flown under this number15
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods13 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | 8 | ▼ 74.2% |
| February | 30 | – | – |
| March | 6 | 35 | ▲ 483.3% |
| April | – | 8 | – |
| May | – | – | – |
| June | 26 | 4 | ▼ 84.6% |
| July | 30 | 3 | ▼ 90.0% |
| August | 4 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 42 | – | – |
| December | 44 | – | – |
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 periods13 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 67.7% | 100.0% | ▲ 47.6% |
| February | 63.3% | – | – |
| March | 83.3% | 74.3% | ▼ 10.8% |
| April | – | 100.0% | – |
| May | – | – | – |
| June | 53.9% | 75.0% | ▲ 39.3% |
| July | 43.3% | 33.3% | ▼ 23.1% |
| August | 50.0% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 76.2% | – | – |
| December | 84.1% | – | – |
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 periods13 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | – | – |
| March | 0 | 0 | – |
| April | – | 0 | – |
| May | – | – | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | – | – | 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 100.0% 348
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 25, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MDW PHX Chicago Midway International Airport – Phoenix Sky Harbor International Airport | 2,319 | 17.8 min | 65.8% | 120 |
| PHL STL Philadelphia International Airport – St. Louis Lambert International Airport | 1,306 | 35.2 min | 48.3% | 60 |
| RNO SAN Reno Tahoe International Airport – San Diego International Airport | 787 | 8.5 min | 80.4% | 46 |
| PHX BWI Phoenix Sky Harbor International Airport – Baltimore/Washington International Thurgood Marshall Airport | 3,209 | 4.1 min | 87.9% | 33 |
| SJC RNO Mineta San Jose International Airport – Reno Tahoe International Airport | 303 | -1.2 min | 93.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 82.4% | 0 |
| November 2024 | 28 | 28 | 67.9% | 0 |
| December 2024 | 32 | 32 | 65.6% | 0 |
| January 2025 | 31 | 31 | 67.7% | 0 |
| February 2025 | 30 | 30 | 63.3% | 0 |
| March 2025 | 6 | 6 | 83.3% | 0 |
| June 2025 | 26 | 26 | 53.9% | 0 |
| July 2025 | 30 | 30 | 43.3% | 0 |
| August 2025 | 4 | 4 | 50.0% | 0 |
| November 2025 | 42 | 42 | 76.2% | 0 |
| December 2025 | 44 | 44 | 84.1% | 0 |
| January 2026 | 8 | 8 | 100.0% | 0 |
| March 2026 | 35 | 35 | 74.3% | 0 |
| April 2026 | 8 | 8 | 100.0% | 0 |
| June 2026 | 4 | 4 | 75.0% | 0 |
| July 2026 | 3 | 3 | 33.3% | 0 |