WN4616
WN4616 (Southwest Airlines) is a multi-stop service on 16 routes, busiest St Louis to Denver. Of 245 departures recorded from October 2024 to July 2026, 57.8% left on time, according to the US BTS.
- On-time departures57.8%of 245 flights
- Average delay27.3 min
- July 202614▼ 53.3%vs July 2025
- Cancelled0.4%
- 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 periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 20 | ▲ 1,900.0% |
| February | – | 16 | – |
| March | 10 | 19 | ▲ 90.0% |
| April | 6 | 15 | ▲ 150.0% |
| May | 4 | 14 | ▲ 250.0% |
| June | 27 | 14 | ▼ 48.1% |
| July | 30 | 14 | ▼ 53.3% |
| August | 4 | – | – |
| September | – | – | – |
| October | 26 | – | in progress |
| November | 4 | – | – |
| December | 11 | – | – |
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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 75.0% | ▼ 25.0% |
| February | – | 68.8% | – |
| March | 90.0% | 44.4% | ▼ 50.6% |
| April | 100.0% | 93.3% | ▼ 6.7% |
| May | 50.0% | 71.4% | ▲ 42.9% |
| June | 44.4% | 42.9% | ▼ 3.6% |
| July | 33.3% | 28.6% | ▼ 14.3% |
| August | 50.0% | – | – |
| September | – | – | – |
| October | 84.6% | – | in progress |
| November | 50.0% | – | – |
| December | 36.4% | – | – |
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 periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | – | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | – | – | – |
| 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 99.6% 244
- Cancelled 0.4% 1
Share of all recorded flights in the period, all legs. · Oct 15, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| STL DEN St. Louis Lambert International Airport – Denver International Airport | 1,236 | 31.1 min | 52.1% | 96 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 6 | 6 | 50.0% | 0 |
| November 2024 | 2 | 2 | 0.0% | 0 |
| December 2024 | 2 | 2 | 0.0% | 0 |
| January 2025 | 1 | 1 | 100.0% | 0 |
| March 2025 | 10 | 10 | 90.0% | 0 |
| April 2025 | 6 | 6 | 100.0% | 0 |
| May 2025 | 4 | 4 | 50.0% | 0 |
| June 2025 | 27 | 27 | 44.4% | 0 |
| July 2025 | 30 | 30 | 33.3% | 0 |
| August 2025 | 4 | 4 | 50.0% | 0 |
| October 2025 | 26 | 26 | 84.6% | 0 |
| November 2025 | 4 | 4 | 50.0% | 0 |
| December 2025 | 11 | 11 | 36.4% | 0 |
| January 2026 | 20 | 20 | 75.0% | 0 |
| February 2026 | 16 | 16 | 68.8% | 0 |
| March 2026 | 19 | 18 | 44.4% | 1 |
| April 2026 | 15 | 15 | 93.3% | 0 |
| May 2026 | 14 | 14 | 71.4% | 0 |
| June 2026 | 14 | 14 | 42.9% | 0 |
| July 2026 | 14 | 14 | 28.6% | 0 |