WN4703
WN4703 (Southwest Airlines) is a multi-stop service on 16 routes, busiest Atlanta to Chicago. Of 294 departures recorded from November 2024 to July 2026, 70.6% left on time, according to the US BTS.
- On-time departures70.6%of 294 flights
- Average delay16.1 min
- July 202631▼ 22.5%vs July 2025
- Cancelled1.7%
- Legs flown under this number16
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 26 | 6 | ▼ 76.9% |
| February | 23 | 1 | ▼ 95.7% |
| March | 4 | 7 | ▲ 75.0% |
| April | – | 10 | – |
| May | – | 13 | – |
| June | 32 | 27 | ▼ 15.6% |
| July | 40 | 31 | ▼ 22.5% |
| August | 4 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 11 | – | – |
| December | 17 | – | – |
according to the US BTS · November 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 periods15 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 64.0% | 100.0% | ▲ 56.3% |
| February | 73.9% | 100.0% | ▲ 35.3% |
| March | 100.0% | 85.7% | ▼ 14.3% |
| April | – | 60.0% | – |
| May | – | 58.3% | – |
| June | 78.1% | 55.6% | ▼ 28.9% |
| July | 80.0% | 50.0% | ▼ 37.5% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 44.4% | – | – |
| December | 88.2% | – | – |
according to the US BTS · November 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · November 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | – | 0 | – |
| May | – | 1 | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
according to the US BTS · November 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 98.3% 289
- Cancelled 1.7% 5
Share of all recorded flights in the period, all legs. · Nov 3, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ATL MDW Hartsfield Jackson Atlanta International Airport – Chicago Midway International Airport | 952 | 16.2 min | 72.3% | 95 |
| HOU ABQ William P. Hobby Airport – Albuquerque International Sunport | 1,221 | 27.3 min | 51.8% | 57 |
| LGB SLC Long Beach International Airport – Salt Lake City International Airport | 948 | 11.5 min | 80.4% | 51 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 22 | 22 | 68.2% | 0 |
| December 2024 | 20 | 20 | 80.0% | 0 |
| January 2025 | 26 | 25 | 64.0% | 1 |
| February 2025 | 23 | 23 | 73.9% | 0 |
| March 2025 | 4 | 4 | 100.0% | 0 |
| June 2025 | 32 | 32 | 78.1% | 0 |
| July 2025 | 40 | 40 | 80.0% | 0 |
| August 2025 | 4 | 4 | 100.0% | 0 |
| November 2025 | 11 | 9 | 44.4% | 2 |
| December 2025 | 17 | 17 | 88.2% | 0 |
| January 2026 | 6 | 6 | 100.0% | 0 |
| February 2026 | 1 | 1 | 100.0% | 0 |
| March 2026 | 7 | 7 | 85.7% | 0 |
| April 2026 | 10 | 10 | 60.0% | 0 |
| May 2026 | 13 | 12 | 58.3% | 1 |
| June 2026 | 27 | 27 | 55.6% | 0 |
| July 2026 | 31 | 30 | 50.0% | 1 |