WN743
WN743 (Southwest Airlines) is a multi-stop service on 33 routes, busiest Seattle to Denver. Of 783 departures recorded from October 2024 to July 2026, 75.8% left on time, according to the US BTS.
- On-time departures75.8%of 783 flights
- Average delay12.0 min
- July 202628▼ 9.7%vs July 2025
- Cancelled0.6%
- Legs flown under this number33
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 | 33 | 40 | ▲ 21.2% |
| February | 28 | 36 | ▲ 28.6% |
| March | 53 | 67 | ▲ 26.4% |
| April | 33 | 38 | ▲ 15.2% |
| May | 27 | 32 | ▲ 18.5% |
| June | 29 | 26 | ▼ 10.3% |
| July | 31 | 28 | ▼ 9.7% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 48 | – | in progress |
| November | 36 | – | – |
| December | 49 | – | – |
| Year to date (Jan–Jul) | 234 | 267 | ▲ 14.1% |
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 | 97.0% | 87.2% | ▼ 10.1% |
| February | 92.9% | 69.4% | ▼ 25.2% |
| March | 81.1% | 76.6% | ▼ 5.6% |
| April | 93.9% | 55.3% | ▼ 41.2% |
| May | 96.3% | 29.0% | ▼ 69.9% |
| June | 93.1% | 61.5% | ▼ 33.9% |
| July | 96.8% | 39.3% | ▼ 59.4% |
| August | 80.7% | – | – |
| September | 83.3% | – | – |
| October | 83.3% | – | in progress |
| November | 61.1% | – | – |
| December | 51.0% | – | – |
| Year-to-date average (Jan–Jul) | 93.0% | 59.8% | ▼ 35.8% |
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 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 3 | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 5 |
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% 778
- Cancelled 0.6% 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 | 20 | 20 | 80.0% | 0 |
| November 2024 | 31 | 31 | 83.9% | 0 |
| December 2024 | 37 | 37 | 83.8% | 0 |
| January 2025 | 33 | 33 | 97.0% | 0 |
| February 2025 | 28 | 28 | 92.9% | 0 |
| March 2025 | 53 | 53 | 81.1% | 0 |
| April 2025 | 33 | 33 | 93.9% | 0 |
| May 2025 | 27 | 27 | 96.3% | 0 |
| June 2025 | 29 | 29 | 93.1% | 0 |
| July 2025 | 31 | 31 | 96.8% | 0 |
| August 2025 | 31 | 31 | 80.7% | 0 |
| September 2025 | 30 | 30 | 83.3% | 0 |
| October 2025 | 48 | 48 | 83.3% | 0 |
| November 2025 | 36 | 36 | 61.1% | 0 |
| December 2025 | 49 | 49 | 51.0% | 0 |
| January 2026 | 40 | 39 | 87.2% | 1 |
| February 2026 | 36 | 36 | 69.4% | 0 |
| March 2026 | 67 | 64 | 76.6% | 3 |
| April 2026 | 38 | 38 | 55.3% | 0 |
| May 2026 | 32 | 31 | 29.0% | 1 |
| June 2026 | 26 | 26 | 61.5% | 0 |
| July 2026 | 28 | 28 | 39.3% | 0 |