WN779
WN779 (Southwest Airlines) is a multi-stop service on 39 routes, busiest St Louis to Atlanta. Of 676 departures recorded from October 2024 to July 2026, 81.2% left on time, according to the US BTS.
- On-time departures81.2%of 676 flights
- Average delay10.7 min
- July 202628▼ 24.3%vs July 2025
- Cancelled1.6%
- Legs flown under this number39
according to the US BTS · Oct 12, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 34 | 30 | ▼ 11.8% |
| February | 36 | 23 | ▼ 36.1% |
| March | 20 | 12 | ▼ 40.0% |
| April | 27 | 34 | ▲ 25.9% |
| May | 30 | 38 | ▲ 26.7% |
| June | 32 | 28 | ▼ 12.5% |
| July | 37 | 28 | ▼ 24.3% |
| August | 44 | – | – |
| September | 47 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 216 | 193 | ▼ 10.6% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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% | 90.0% | ▲ 7.3% |
| February | 94.4% | 87.0% | ▼ 7.9% |
| March | 95.0% | 75.0% | ▼ 21.1% |
| April | 96.3% | 88.2% | ▼ 8.4% |
| May | 93.3% | 63.2% | ▼ 32.3% |
| June | 51.6% | 67.9% | ▲ 31.5% |
| July | 47.1% | 82.1% | ▲ 74.5% |
| August | 86.4% | – | – |
| September | 95.7% | – | – |
| October | 80.7% | – | in progress |
| November | 84.0% | – | – |
| December | 96.6% | – | – |
| Year-to-date average (Jan–Jul) | 80.2% | 79.1% | ▼ 1.5% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 3 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 3 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 4 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 7 | 0 | ▼ 100.0% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 98.4% 665
- Cancelled 1.6% 11
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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| STL ATL St. Louis Lambert International Airport – Hartsfield Jackson Atlanta International Airport | 779 | 3.5 min | 89.8% | 91 |
| LGA MCI LaGuardia Airport – Kansas City International Airport | 1,778 | 43.0 min | 43.8% | 52 |
| RNO LAX Reno Tahoe International Airport – Los Angeles International Airport | 630 | 4.9 min | 90.5% | 46 |
| BNA SAN Nashville International Airport – San Diego International Airport | 2,812 | 14.5 min | 65.9% | 44 |
| ONT OAK Ontario International Airport – Oakland San Francisco Bay Airport | 582 | -0.8 min | 95.2% | 42 |
| LAS SMF Harry Reid International Airport – Sacramento International Airport | 639 | 0.1 min | 92.9% | 42 |
| LAS ATL Harry Reid International Airport – Hartsfield Jackson Atlanta International Airport | 2,805 | 5.2 min | 88.1% | 42 |
| OAK MCI Oakland San Francisco Bay Airport – Kansas City International Airport | 2,391 | 4.9 min | 89.7% | 39 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 23 | 23 | 87.0% | 0 |
| November 2024 | 21 | 21 | 95.2% | 0 |
| December 2024 | 43 | 43 | 60.5% | 0 |
| January 2025 | 34 | 31 | 83.9% | 3 |
| February 2025 | 36 | 36 | 94.4% | 0 |
| March 2025 | 20 | 20 | 95.0% | 0 |
| April 2025 | 27 | 27 | 96.3% | 0 |
| May 2025 | 30 | 30 | 93.3% | 0 |
| June 2025 | 32 | 31 | 51.6% | 1 |
| July 2025 | 37 | 34 | 47.1% | 3 |
| August 2025 | 44 | 44 | 86.4% | 0 |
| September 2025 | 47 | 47 | 95.7% | 0 |
| October 2025 | 31 | 31 | 80.7% | 0 |
| November 2025 | 29 | 25 | 84.0% | 4 |
| December 2025 | 29 | 29 | 96.6% | 0 |
| January 2026 | 30 | 30 | 90.0% | 0 |
| February 2026 | 23 | 23 | 87.0% | 0 |
| March 2026 | 12 | 12 | 75.0% | 0 |
| April 2026 | 34 | 34 | 88.2% | 0 |
| May 2026 | 38 | 38 | 63.2% | 0 |
| June 2026 | 28 | 28 | 67.9% | 0 |
| July 2026 | 28 | 28 | 82.1% | 0 |