WN4505
WN4505 (Southwest Airlines) is a multi-stop service on 10 routes, busiest New York to St Louis. Of 189 departures recorded from October 2024 to July 2026, 68.1% left on time, according to the US BTS.
- On-time departures68.1%of 189 flights
- Average delay17.2 min
- July 202614
- Cancelled0.5%
- Legs flown under this number10
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 3 | ▲ 200.0% |
| February | – | – | – |
| March | 32 | 10 | ▼ 68.8% |
| April | 24 | 3 | ▼ 87.5% |
| May | 23 | – | – |
| June | 2 | 16 | ▲ 700.0% |
| July | – | 14 | – |
| August | 3 | – | – |
| September | 4 | – | – |
| October | – | – | 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 periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 0.0% | 100.0% | – |
| February | – | – | – |
| March | 56.3% | 55.6% | ▼ 1.2% |
| April | 83.3% | 66.7% | ▼ 20.0% |
| May | 82.6% | – | – |
| June | 100.0% | 31.3% | ▼ 68.8% |
| July | – | 50.0% | – |
| August | 66.7% | – | – |
| September | 100.0% | – | – |
| October | – | – | in progress |
| November | 75.0% | – | – |
| December | 90.9% | – | – |
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 periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | – | – | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | – | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | – | – | 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 99.5% 188
- Cancelled 0.5% 1
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LGA STL LaGuardia Airport – St. Louis Lambert International Airport | 1,426 | 15.7 min | 90.0% | 40 |
| SLC PHX Salt Lake City International Airport – Phoenix Sky Harbor International Airport | 818 | 16.7 min | 59.4% | 32 |
| LAS MCO Harry Reid International Airport – Orlando International Airport | 3,276 | 37.1 min | 40.0% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 15 | 15 | 60.0% | 0 |
| December 2024 | 4 | 4 | 50.0% | 0 |
| January 2025 | 1 | 1 | 0.0% | 0 |
| March 2025 | 32 | 32 | 56.3% | 0 |
| April 2025 | 24 | 24 | 83.3% | 0 |
| May 2025 | 23 | 23 | 82.6% | 0 |
| June 2025 | 2 | 2 | 100.0% | 0 |
| August 2025 | 3 | 3 | 66.7% | 0 |
| September 2025 | 4 | 4 | 100.0% | 0 |
| November 2025 | 4 | 4 | 75.0% | 0 |
| December 2025 | 11 | 11 | 90.9% | 0 |
| January 2026 | 3 | 3 | 100.0% | 0 |
| March 2026 | 10 | 9 | 55.6% | 1 |
| April 2026 | 3 | 3 | 66.7% | 0 |
| June 2026 | 16 | 16 | 31.3% | 0 |
| July 2026 | 14 | 14 | 50.0% | 0 |