WN1477
WN1477 (Southwest Airlines) is a multi-stop service on 27 routes, busiest St Louis to Fort Lauderdale. Of 666 departures recorded from October 2024 to July 2026, 81.4% left on time, according to the US BTS.
- On-time departures81.4%of 666 flights
- Average delay7.4 min
- July 20264▼ 86.7%vs July 2025
- Cancelled0.8%
- Legs flown under this number27
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 | 31 | 31 | 0.0% |
| February | 28 | 21 | ▼ 25.0% |
| March | 58 | 19 | ▼ 67.2% |
| April | 57 | 28 | ▼ 50.9% |
| May | 58 | 30 | ▼ 48.3% |
| June | 33 | 7 | ▼ 78.8% |
| July | 30 | 4 | ▼ 86.7% |
| August | 22 | – | – |
| September | 21 | – | – |
| October | 38 | – | in progress |
| November | 41 | – | – |
| December | 32 | – | – |
| Year to date (Jan–Jul) | 295 | 140 | ▼ 52.5% |
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 | 82.8% | 90.0% | ▲ 8.7% |
| February | 92.9% | 81.0% | ▼ 12.8% |
| March | 82.8% | 38.9% | ▼ 53.0% |
| April | 89.5% | 66.7% | ▼ 25.5% |
| May | 93.1% | 66.7% | ▼ 28.4% |
| June | 90.9% | 42.9% | ▼ 52.9% |
| July | 96.7% | 25.0% | ▼ 74.1% |
| August | 50.0% | – | – |
| September | 76.2% | – | – |
| October | 94.7% | – | in progress |
| November | 68.3% | – | – |
| December | 68.8% | – | – |
| Year-to-date average (Jan–Jul) | 89.8% | 58.7% | ▼ 34.6% |
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 | 1 | ▼ 50.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 3 | ▲ 50.0% |
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 99.2% 661
- Cancelled 0.8% 5
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 26, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| STL FLL St. Louis Lambert International Airport – Fort Lauderdale Hollywood International Airport | 1,702 | 4.7 min | 88.4% | 123 |
| MDW CHS Chicago Midway International Airport – Charleston International Airport | 1,200 | 12.8 min | 66.1% | 57 |
| MSP MDW Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – Chicago Midway International Airport | 560 | 2.9 min | 87.0% | 47 |
| PHX BUR Phoenix Sky Harbor International Airport – Hollywood Burbank/Bob Hope Airport | 593 | -1.8 min | 95.2% | 42 |
| LAS PSP Harry Reid International Airport – Palm Springs International Airport | 279 | 3.5 min | 83.3% | 42 |
| LAS MCI Harry Reid International Airport – Kansas City International Airport | 1,829 | 16.5 min | 65.9% | 41 |
| BUF PHX Buffalo Niagara International Airport – Phoenix Sky Harbor International Airport | 3,070 | 14.9 min | 65.6% | 32 |
| BOS MDW Boston Logan International Airport – Chicago Midway International Airport | 1,381 | 7.2 min | 93.6% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 100.0% | 0 |
| November 2024 | 30 | 30 | 96.7% | 0 |
| December 2024 | 31 | 31 | 80.7% | 0 |
| January 2025 | 31 | 29 | 82.8% | 2 |
| February 2025 | 28 | 28 | 92.9% | 0 |
| March 2025 | 58 | 58 | 82.8% | 0 |
| April 2025 | 57 | 57 | 89.5% | 0 |
| May 2025 | 58 | 58 | 93.1% | 0 |
| June 2025 | 33 | 33 | 90.9% | 0 |
| July 2025 | 30 | 30 | 96.7% | 0 |
| August 2025 | 22 | 22 | 50.0% | 0 |
| September 2025 | 21 | 21 | 76.2% | 0 |
| October 2025 | 38 | 38 | 94.7% | 0 |
| November 2025 | 41 | 41 | 68.3% | 0 |
| December 2025 | 32 | 32 | 68.8% | 0 |
| January 2026 | 31 | 30 | 90.0% | 1 |
| February 2026 | 21 | 21 | 81.0% | 0 |
| March 2026 | 19 | 18 | 38.9% | 1 |
| April 2026 | 28 | 27 | 66.7% | 1 |
| May 2026 | 30 | 30 | 66.7% | 0 |
| June 2026 | 7 | 7 | 42.9% | 0 |
| July 2026 | 4 | 4 | 25.0% | 0 |