WN333
WN333 (Southwest Airlines) is a multi-stop service on 39 routes, busiest Salt Lake City to Denver. Of 831 departures recorded from October 2024 to July 2026, 71.8% left on time, according to the US BTS.
- On-time departures71.8%of 831 flights
- Average delay17.2 min
- July 202631▼ 48.3%vs July 2025
- Cancelled0.6%
- Legs flown under this number39
according to the US BTS · Oct 13, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 38 | ▲ 22.6% |
| February | 28 | 33 | ▲ 17.9% |
| March | 31 | 39 | ▲ 25.8% |
| April | 53 | 31 | ▼ 41.5% |
| May | 61 | 30 | ▼ 50.8% |
| June | 52 | 30 | ▼ 42.3% |
| July | 60 | 31 | ▼ 48.3% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 34 | – | in progress |
| November | 60 | – | – |
| December | 51 | – | – |
| Year to date (Jan–Jul) | 316 | 232 | ▼ 26.6% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 96.8% | 70.3% | ▼ 27.4% |
| February | 96.4% | 60.6% | ▼ 37.1% |
| March | 96.8% | 55.3% | ▼ 42.9% |
| April | 84.9% | 41.9% | ▼ 50.6% |
| May | 90.2% | 26.7% | ▼ 70.4% |
| June | 56.9% | 34.5% | ▼ 39.4% |
| July | 65.0% | 54.8% | ▼ 15.6% |
| August | 80.7% | – | – |
| September | 83.3% | – | – |
| October | 61.8% | – | in progress |
| November | 75.0% | – | – |
| December | 66.0% | – | – |
| Year-to-date average (Jan–Jul) | 83.8% | 49.2% | ▼ 41.4% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 1 | 0.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 1 | 3 | ▲ 200.0% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.4% 826
- Cancelled 0.6% 5
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SLC DEN Salt Lake City International Airport – Denver International Airport | 628 | -0.5 min | 99.1% | 110 |
| GEG OAK Spokane International Airport – Oakland San Francisco Bay Airport | 1,165 | 0.2 min | 93.4% | 91 |
| DEN GEG Denver International Airport – Spokane International Airport | 1,343 | 4.0 min | 86.0% | 57 |
| ONT PHX Ontario International Airport – Phoenix Sky Harbor International Airport | 522 | 4.5 min | 92.0% | 50 |
| DEN DTW Denver International Airport – Detroit Metropolitan Wayne County Airport | 1,802 | 50.3 min | 20.4% | 49 |
| HOU DCA William P. Hobby Airport – Ronald Reagan Washington National Airport | 1,959 | 19.3 min | 71.7% | 47 |
| ATL BWI Hartsfield Jackson Atlanta International Airport – Baltimore/Washington International Thurgood Marshall Airport | 928 | 24.1 min | 68.3% | 42 |
| AUS MAF Austin Bergstrom International Airport – Midland International Air and Space Port | 474 | 17.3 min | 63.4% | 41 |
| MCO AUS Orlando International Airport – Austin Bergstrom International Airport | 1,596 | 37.4 min | 43.8% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 88.2% | 0 |
| November 2024 | 29 | 29 | 96.6% | 0 |
| December 2024 | 31 | 31 | 100.0% | 0 |
| January 2025 | 31 | 31 | 96.8% | 0 |
| February 2025 | 28 | 28 | 96.4% | 0 |
| March 2025 | 31 | 31 | 96.8% | 0 |
| April 2025 | 53 | 53 | 84.9% | 0 |
| May 2025 | 61 | 61 | 90.2% | 0 |
| June 2025 | 52 | 51 | 56.9% | 1 |
| July 2025 | 60 | 60 | 65.0% | 0 |
| August 2025 | 31 | 31 | 80.7% | 0 |
| September 2025 | 30 | 30 | 83.3% | 0 |
| October 2025 | 34 | 34 | 61.8% | 0 |
| November 2025 | 60 | 60 | 75.0% | 0 |
| December 2025 | 51 | 50 | 66.0% | 1 |
| January 2026 | 38 | 37 | 70.3% | 1 |
| February 2026 | 33 | 33 | 60.6% | 0 |
| March 2026 | 39 | 38 | 55.3% | 1 |
| April 2026 | 31 | 31 | 41.9% | 0 |
| May 2026 | 30 | 30 | 26.7% | 0 |
| June 2026 | 30 | 29 | 34.5% | 1 |
| July 2026 | 31 | 31 | 54.8% | 0 |