WN1323
WN1323 (Southwest Airlines) is a multi-stop service on 38 routes, busiest St Louis to Philadelphia. Of 930 departures recorded from October 2024 to July 2026, 77.8% left on time, according to the US BTS.
- On-time departures77.8%of 930 flights
- Average delay12.8 min
- July 202655▲ 41.0%vs July 2025
- Cancelled0.7%
- Legs flown under this number38
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 | 53 | 24 | ▼ 54.7% |
| February | 42 | 20 | ▼ 52.4% |
| March | 34 | 30 | ▼ 11.8% |
| April | 41 | 46 | ▲ 12.2% |
| May | 44 | 47 | ▲ 6.8% |
| June | 33 | 53 | ▲ 60.6% |
| July | 39 | 55 | ▲ 41.0% |
| August | 74 | – | – |
| September | 81 | – | – |
| October | 43 | – | in progress |
| November | 33 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 286 | 275 | ▼ 3.8% |
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 | 82.4% | 95.8% | ▲ 16.4% |
| February | 81.0% | 42.1% | ▼ 48.0% |
| March | 73.5% | 82.8% | ▲ 12.6% |
| April | 90.2% | 78.3% | ▼ 13.3% |
| May | 95.5% | 68.1% | ▼ 28.7% |
| June | 60.6% | 42.3% | ▼ 30.2% |
| July | 71.8% | 50.9% | ▼ 29.1% |
| August | 83.8% | – | – |
| September | 81.3% | – | – |
| October | 93.0% | – | in progress |
| November | 93.9% | – | – |
| December | 100.0% | – | – |
| Year-to-date average (Jan–Jul) | 79.3% | 65.8% | ▼ 17.1% |
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 | 0 | ▼ 100.0% |
| February | 0 | 1 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 1 | – | – |
| 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 99.4% 924
- Cancelled 0.6% 6
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
12Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 45 | 45 | 86.7% | 0 |
| December 2024 | 42 | 42 | 76.2% | 0 |
| January 2025 | 53 | 51 | 82.4% | 2 |
| February 2025 | 42 | 42 | 81.0% | 0 |
| March 2025 | 34 | 34 | 73.5% | 0 |
| April 2025 | 41 | 41 | 90.2% | 0 |
| May 2025 | 44 | 44 | 95.5% | 0 |
| June 2025 | 33 | 33 | 60.6% | 0 |
| July 2025 | 39 | 39 | 71.8% | 0 |
| August 2025 | 74 | 74 | 83.8% | 0 |
| September 2025 | 81 | 80 | 81.3% | 1 |
| October 2025 | 43 | 43 | 93.0% | 0 |
| November 2025 | 33 | 33 | 93.9% | 0 |
| December 2025 | 31 | 31 | 100.0% | 0 |
| January 2026 | 24 | 24 | 95.8% | 0 |
| February 2026 | 20 | 19 | 42.1% | 1 |
| March 2026 | 30 | 29 | 82.8% | 1 |
| April 2026 | 46 | 46 | 78.3% | 0 |
| May 2026 | 47 | 47 | 68.1% | 0 |
| June 2026 | 53 | 52 | 42.3% | 1 |
| July 2026 | 55 | 55 | 50.9% | 0 |