WN1357
WN1357 (Southwest Airlines) is a multi-stop service on 32 routes, busiest Denver to Tampa. Of 727 departures recorded from October 2024 to July 2026, 79.8% left on time, according to the US BTS.
- On-time departures79.8%of 727 flights
- Average delay9.6 min
- July 202645▲ 2.3%vs July 2025
- Cancelled0.7%
- Legs flown under this number32
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 | 31 | 27 | ▼ 12.9% |
| February | 28 | 24 | ▼ 14.3% |
| March | 31 | 55 | ▲ 77.4% |
| April | 30 | 36 | ▲ 20.0% |
| May | 31 | 30 | ▼ 3.2% |
| June | 40 | 42 | ▲ 5.0% |
| July | 44 | 45 | ▲ 2.3% |
| August | 28 | – | – |
| September | 26 | – | – |
| October | 34 | – | in progress |
| November | 31 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 235 | 259 | ▲ 10.2% |
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 | 90.3% | 77.8% | ▼ 13.9% |
| February | 89.3% | 62.5% | ▼ 30.0% |
| March | 64.5% | 32.7% | ▼ 49.3% |
| April | 76.7% | 85.7% | ▲ 11.8% |
| May | 77.4% | 83.3% | ▲ 7.6% |
| June | 85.0% | 89.7% | ▲ 5.6% |
| July | 86.4% | 91.1% | ▲ 5.5% |
| August | 78.6% | – | – |
| September | 96.2% | – | – |
| October | 88.2% | – | in progress |
| November | 80.0% | – | – |
| December | 77.4% | – | – |
| Year-to-date average (Jan–Jul) | 81.4% | 74.7% | ▼ 8.2% |
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 | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | 3 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 4 |
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% 722
- Cancelled 0.7% 5
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
11Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 21 | 21 | 85.7% | 0 |
| November 2024 | 31 | 31 | 87.1% | 0 |
| December 2024 | 31 | 31 | 93.6% | 0 |
| January 2025 | 31 | 31 | 90.3% | 0 |
| February 2025 | 28 | 28 | 89.3% | 0 |
| March 2025 | 31 | 31 | 64.5% | 0 |
| April 2025 | 30 | 30 | 76.7% | 0 |
| May 2025 | 31 | 31 | 77.4% | 0 |
| June 2025 | 40 | 40 | 85.0% | 0 |
| July 2025 | 44 | 44 | 86.4% | 0 |
| August 2025 | 28 | 28 | 78.6% | 0 |
| September 2025 | 26 | 26 | 96.2% | 0 |
| October 2025 | 34 | 34 | 88.2% | 0 |
| November 2025 | 31 | 30 | 80.0% | 1 |
| December 2025 | 31 | 31 | 77.4% | 0 |
| January 2026 | 27 | 27 | 77.8% | 0 |
| February 2026 | 24 | 24 | 62.5% | 0 |
| March 2026 | 55 | 55 | 32.7% | 0 |
| April 2026 | 36 | 35 | 85.7% | 1 |
| May 2026 | 30 | 30 | 83.3% | 0 |
| June 2026 | 42 | 39 | 89.7% | 3 |
| July 2026 | 45 | 45 | 91.1% | 0 |