WN4814
WN4814 (Southwest Airlines) is a multi-stop service on 6 routes, busiest Chicago to Houston. Of 170 departures recorded from October 2024 to July 2026, 88.7% left on time, according to the US BTS.
- On-time departures88.7%of 170 flights
- Average delay7.8 min
- July 202631
- Cancelled1.2%
- Legs flown under this number6
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods10 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 26 | 2 | ▼ 92.3% |
| February | 28 | – | – |
| March | 13 | 1 | ▼ 92.3% |
| April | 2 | – | – |
| May | – | – | – |
| June | – | 27 | – |
| July | – | 31 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 2 | – | – |
| December | 9 | – | – |
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 periods10 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 50.0% | ▼ 50.0% |
| February | 100.0% | – | – |
| March | 76.9% | 0.0% | ▼ 100.0% |
| April | 50.0% | – | – |
| May | – | – | – |
| June | – | 96.3% | – |
| July | – | 93.6% | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 50.0% | – | – |
| 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 periods10 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 0 | – | – |
| March | 0 | 0 | – |
| April | 0 | – | – |
| May | – | – | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| 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 98.8% 168
- Cancelled 1.2% 2
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
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MDW HOU Chicago Midway International Airport – William P. Hobby Airport | 1,510 | -1.0 min | 98.7% | 77 |
| TUL DAL Tulsa International Airport – Dallas Love Field | 383 | -3.5 min | 94.8% | 58 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 10 | 10 | 50.0% | 0 |
| November 2024 | 15 | 15 | 93.3% | 0 |
| December 2024 | 4 | 3 | 100.0% | 1 |
| January 2025 | 26 | 25 | 100.0% | 1 |
| February 2025 | 28 | 28 | 100.0% | 0 |
| March 2025 | 13 | 13 | 76.9% | 0 |
| April 2025 | 2 | 2 | 50.0% | 0 |
| November 2025 | 2 | 2 | 50.0% | 0 |
| December 2025 | 9 | 9 | 66.7% | 0 |
| January 2026 | 2 | 2 | 50.0% | 0 |
| March 2026 | 1 | 1 | 0.0% | 0 |
| June 2026 | 27 | 27 | 96.3% | 0 |
| July 2026 | 31 | 31 | 93.6% | 0 |