WN5122
WN5122 (Southwest Airlines) is a multi-stop service on 11 routes, busiest St Louis to Phoenix. Of 140 departures recorded from November 2024 to June 2026, 69.1% left on time, according to the US BTS.
- On-time departures69.1%of 140 flights
- Average delay16.5 min
- June 20261
- Cancelled0.7%
- Legs flown under this number11
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods11 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 29 | 1 | ▼ 96.6% |
| February | 28 | 3 | ▼ 89.3% |
| March | 9 | – | – |
| April | 1 | 1 | 0.0% |
| May | 1 | 1 | 0.0% |
| June | – | 1 | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 1 | – | – |
| December | – | – | – |
according to the US BTS · November 2024 → June 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 periods11 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 67.9% | 100.0% | ▲ 47.4% |
| February | 60.7% | 66.7% | ▲ 9.8% |
| March | 55.6% | – | – |
| April | 100.0% | 0.0% | ▼ 100.0% |
| May | 100.0% | 0.0% | ▼ 100.0% |
| June | – | 100.0% | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 0.0% | – | – |
| December | – | – | – |
according to the US BTS · November 2024 → June 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · November 2024 → June 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods11 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | – | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | – | 0 | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 0 | – | – |
| December | – | – | – |
according to the US BTS · November 2024 → June 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% 139
- Cancelled 0.7% 1
Share of all recorded flights in the period, all legs. · Nov 3, 2024 → Jun 26, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| STL PHX St. Louis Lambert International Airport – Phoenix Sky Harbor International Airport | 2,026 | 15.9 min | 68.9% | 104 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 38 | 38 | 79.0% | 0 |
| December 2024 | 26 | 26 | 73.1% | 0 |
| January 2025 | 29 | 28 | 67.9% | 1 |
| February 2025 | 28 | 28 | 60.7% | 0 |
| March 2025 | 9 | 9 | 55.6% | 0 |
| April 2025 | 1 | 1 | 100.0% | 0 |
| May 2025 | 1 | 1 | 100.0% | 0 |
| November 2025 | 1 | 1 | 0.0% | 0 |
| January 2026 | 1 | 1 | 100.0% | 0 |
| February 2026 | 3 | 3 | 66.7% | 0 |
| April 2026 | 1 | 1 | 0.0% | 0 |
| May 2026 | 1 | 1 | 0.0% | 0 |
| June 2026 | 1 | 1 | 100.0% | 0 |