WN4516
WN4516 (Southwest Airlines) is a multi-stop service on 15 routes, busiest St Louis to Minneapolis. Of 403 departures recorded from October 2024 to July 2026, 72.5% left on time, according to the US BTS.
- On-time departures72.5%of 403 flights
- Average delay16.4 min
- July 202641
- Cancelled0.7%
- Legs flown under this number15
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 27 | 5 | ▼ 81.5% |
| February | 16 | 1 | ▼ 93.8% |
| March | 29 | 12 | ▼ 58.6% |
| April | 7 | 9 | ▲ 28.6% |
| May | – | 9 | – |
| June | – | 35 | – |
| July | – | 41 | – |
| August | 31 | – | – |
| September | 34 | – | – |
| October | 23 | – | in progress |
| November | 27 | – | – |
| December | 29 | – | – |
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 periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 84.6% | 60.0% | ▼ 29.1% |
| February | 87.5% | 100.0% | ▲ 14.3% |
| March | 66.7% | 100.0% | ▲ 50.0% |
| April | 71.4% | 33.3% | ▼ 53.3% |
| May | – | 22.2% | – |
| June | – | 51.4% | – |
| July | – | 63.4% | – |
| August | 83.9% | – | – |
| September | 91.2% | – | – |
| October | 91.3% | – | in progress |
| November | 59.3% | – | – |
| December | 58.6% | – | – |
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 periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 2 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | – | 0 | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | 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 99.3% 400
- Cancelled 0.7% 3
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| STL MSP St. Louis Lambert International Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 722 | 9.1 min | 82.8% | 95 |
| MKE PHX General Mitchell International Airport – Phoenix Sky Harbor International Airport | 2,346 | 29.0 min | 58.3% | 60 |
| CMH PHX John Glenn Columbus International Airport – Phoenix Sky Harbor International Airport | 2,682 | 14.1 min | 84.0% | 50 |
| RDU MDW Raleigh-Durham International Airport – Chicago Midway International Airport | 1,016 | 37.4 min | 35.7% | 42 |
| AUS RDU Austin Bergstrom International Airport – Raleigh-Durham International Airport | 1,866 | 5.5 min | 85.3% | 34 |
| TPA PIT Tampa International Airport – Pittsburgh International Airport | 1,408 | 12.2 min | 68.8% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 76.5% | 0 |
| November 2024 | 25 | 25 | 88.0% | 0 |
| December 2024 | 26 | 26 | 76.9% | 0 |
| January 2025 | 27 | 26 | 84.6% | 1 |
| February 2025 | 16 | 16 | 87.5% | 0 |
| March 2025 | 29 | 27 | 66.7% | 2 |
| April 2025 | 7 | 7 | 71.4% | 0 |
| August 2025 | 31 | 31 | 83.9% | 0 |
| September 2025 | 34 | 34 | 91.2% | 0 |
| October 2025 | 23 | 23 | 91.3% | 0 |
| November 2025 | 27 | 27 | 59.3% | 0 |
| December 2025 | 29 | 29 | 58.6% | 0 |
| January 2026 | 5 | 5 | 60.0% | 0 |
| February 2026 | 1 | 1 | 100.0% | 0 |
| March 2026 | 12 | 12 | 100.0% | 0 |
| April 2026 | 9 | 9 | 33.3% | 0 |
| May 2026 | 9 | 9 | 22.2% | 0 |
| June 2026 | 35 | 35 | 51.4% | 0 |
| July 2026 | 41 | 41 | 63.4% | 0 |