WN4807
WN4807 (Southwest Airlines) is a multi-stop service on 12 routes, busiest Chicago to Houston. Of 259 departures recorded from October 2024 to July 2026, 58.9% left on time, according to the US BTS.
- On-time departures58.9%of 259 flights
- Average delay20.7 min
- July 202621▼ 43.2%vs July 2025
- Cancelled0.4%
- Legs flown under this number12
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 | 13 | 26 | ▲ 100.0% |
| February | 6 | 28 | ▲ 366.7% |
| March | 1 | 4 | ▲ 300.0% |
| April | – | – | – |
| May | – | – | – |
| June | 28 | 20 | ▼ 28.6% |
| July | 37 | 21 | ▼ 43.2% |
| August | 3 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
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 | 66.7% | 69.2% | ▲ 3.8% |
| February | 50.0% | 57.1% | ▲ 14.3% |
| March | 100.0% | 50.0% | ▼ 50.0% |
| April | – | – | – |
| May | – | – | – |
| June | 64.3% | 10.0% | ▼ 84.4% |
| July | 73.0% | 38.1% | ▼ 47.8% |
| August | 33.3% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 0.0% | – | – |
| 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 periods13 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | – | – | – |
| 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 99.6% 258
- Cancelled 0.4% 1
Share of all recorded flights in the period, all legs. · Oct 14, 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 |
|---|---|---|---|---|
| MDW HOU Chicago Midway International Airport – William P. Hobby Airport | 1,510 | 9.9 min | 62.1% | 58 |
| DAL ORD Dallas Love Field – Chicago O'Hare International Airport | 1,285 | 19.0 min | 65.4% | 52 |
| SAN MCI San Diego International Airport – Kansas City International Airport | 2,142 | 44.1 min | 24.4% | 41 |
| DAL LAS Dallas Love Field – Harry Reid International Airport | 1,714 | 28.0 min | 55.9% | 35 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 7 | 7 | 100.0% | 0 |
| November 2024 | 35 | 35 | 74.3% | 0 |
| December 2024 | 28 | 28 | 50.0% | 0 |
| January 2025 | 13 | 12 | 66.7% | 1 |
| February 2025 | 6 | 6 | 50.0% | 0 |
| March 2025 | 1 | 1 | 100.0% | 0 |
| June 2025 | 28 | 28 | 64.3% | 0 |
| July 2025 | 37 | 37 | 73.0% | 0 |
| August 2025 | 3 | 3 | 33.3% | 0 |
| November 2025 | 1 | 1 | 0.0% | 0 |
| December 2025 | 1 | 1 | 100.0% | 0 |
| January 2026 | 26 | 26 | 69.2% | 0 |
| February 2026 | 28 | 28 | 57.1% | 0 |
| March 2026 | 4 | 4 | 50.0% | 0 |
| June 2026 | 20 | 20 | 10.0% | 0 |
| July 2026 | 21 | 21 | 38.1% | 0 |