WN449
WN449 (Southwest Airlines) is a multi-stop service on 41 routes, busiest Atlanta to St Louis. Of 825 departures recorded from October 2024 to July 2026, 71.6% left on time, according to the US BTS.
- On-time departures71.6%of 825 flights
- Average delay14.8 min
- July 202631▲ 14.8%vs July 2025
- Cancelled1.7%
- Legs flown under this number41
Recorded departures by month
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 | 57 | 32 | ▼ 43.9% |
| February | 52 | 35 | ▼ 32.7% |
| March | 39 | 51 | ▲ 30.8% |
| April | 37 | 41 | ▲ 10.8% |
| May | 40 | 39 | ▼ 2.5% |
| June | 27 | 32 | ▲ 18.5% |
| July | 27 | 31 | ▲ 14.8% |
| August | 34 | – | – |
| September | 34 | – | – |
| October | 27 | – | in progress |
| November | 38 | – | – |
| December | 41 | – | – |
| Year to date (Jan–Jul) | 279 | 261 | ▼ 6.5% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
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 | 67.3% | 96.6% | ▲ 43.5% |
| February | 86.5% | 62.9% | ▼ 27.4% |
| March | 79.5% | 42.2% | ▼ 46.9% |
| April | 86.5% | 80.0% | ▼ 7.5% |
| May | 65.0% | 48.7% | ▼ 25.0% |
| June | 55.6% | 31.3% | ▼ 43.8% |
| July | 57.7% | 29.0% | ▼ 49.7% |
| August | 91.2% | – | – |
| September | 94.1% | – | – |
| October | 59.3% | – | in progress |
| November | 91.9% | – | – |
| December | 92.7% | – | – |
| Year-to-date average (Jan–Jul) | 71.1% | 55.8% | ▼ 21.6% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 3 | ▲ 50.0% |
| February | 0 | 0 | – |
| March | 0 | 6 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 10 | ▲ 233.3% |
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 98.3% 811
- Cancelled 1.7% 14
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ATL STL Hartsfield Jackson Atlanta International Airport – St. Louis Lambert International Airport | 779 | 2.2 min | 93.4% | 122 |
| MAF AUS Midland International Air and Space Port – Austin Bergstrom International Airport | 474 | 6.2 min | 79.7% | 74 |
| BWI MCI Baltimore/Washington International Thurgood Marshall Airport – Kansas City International Airport | 1,552 | 23.5 min | 63.8% | 58 |
| PIT PHX Pittsburgh International Airport – Phoenix Sky Harbor International Airport | 2,912 | 11.1 min | 76.0% | 50 |
| DEN RDU Denver International Airport – Raleigh-Durham International Airport | 2,307 | 10.8 min | 86.4% | 47 |
| JAX STL Jacksonville International Airport – St. Louis Lambert International Airport | 1,213 | 34.7 min | 31.7% | 41 |
| SMF SEA Sacramento International Airport – Seattle–Tacoma International Airport | 975 | 11.9 min | 75.8% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 33 | 33 | 93.9% | 0 |
| November 2024 | 30 | 30 | 86.7% | 0 |
| December 2024 | 48 | 48 | 68.8% | 0 |
| January 2025 | 57 | 55 | 67.3% | 2 |
| February 2025 | 52 | 52 | 86.5% | 0 |
| March 2025 | 39 | 39 | 79.5% | 0 |
| April 2025 | 37 | 37 | 86.5% | 0 |
| May 2025 | 40 | 40 | 65.0% | 0 |
| June 2025 | 27 | 27 | 55.6% | 0 |
| July 2025 | 27 | 26 | 57.7% | 1 |
| August 2025 | 34 | 34 | 91.2% | 0 |
| September 2025 | 34 | 34 | 94.1% | 0 |
| October 2025 | 27 | 27 | 59.3% | 0 |
| November 2025 | 38 | 37 | 91.9% | 1 |
| December 2025 | 41 | 41 | 92.7% | 0 |
| January 2026 | 32 | 29 | 96.6% | 3 |
| February 2026 | 35 | 35 | 62.9% | 0 |
| March 2026 | 51 | 45 | 42.2% | 6 |
| April 2026 | 41 | 40 | 80.0% | 1 |
| May 2026 | 39 | 39 | 48.7% | 0 |
| June 2026 | 32 | 32 | 31.3% | 0 |
| July 2026 | 31 | 31 | 29.0% | 0 |