WN3541
WN3541 (Southwest Airlines) is a multi-stop service on 30 routes, busiest Denver to Cleveland. Of 552 departures recorded from October 2024 to July 2026, 69.0% left on time, according to the US BTS.
- On-time departures69.0%of 552 flights
- Average delay14.9 min
- July 202622▼ 26.7%vs July 2025
- Cancelled0.2%
- Legs flown under this number30
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 | 4 | 12 | ▲ 200.0% |
| February | 10 | 9 | ▼ 10.0% |
| March | 34 | 21 | ▼ 38.2% |
| April | 41 | 45 | ▲ 9.8% |
| May | 41 | 52 | ▲ 26.8% |
| June | 32 | 24 | ▼ 25.0% |
| July | 30 | 22 | ▼ 26.7% |
| August | 27 | – | – |
| September | 26 | – | – |
| October | 39 | – | in progress |
| November | 17 | – | – |
| December | 15 | – | – |
| Year to date (Jan–Jul) | 192 | 185 | ▼ 3.6% |
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 | 100.0% | 100.0% | 0.0% |
| February | 60.0% | 66.7% | ▲ 11.1% |
| March | 76.5% | 81.0% | ▲ 5.9% |
| April | 87.8% | 64.4% | ▼ 26.6% |
| May | 73.2% | 38.5% | ▼ 47.4% |
| June | 87.5% | 50.0% | ▼ 42.9% |
| July | 76.7% | 40.9% | ▼ 46.6% |
| August | 92.6% | – | – |
| September | 96.2% | – | – |
| October | 33.3% | – | in progress |
| November | 64.7% | – | – |
| December | 73.3% | – | – |
| Year-to-date average (Jan–Jul) | 80.2% | 63.1% | ▼ 21.4% |
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 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 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 99.8% 551
- Cancelled 0.2% 1
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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN CLE Denver International Airport – Cleveland Hopkins International Airport | 1,928 | 8.6 min | 80.0% | 60 |
| GRR BWI Gerald R. Ford International Airport – Baltimore/Washington International Thurgood Marshall Airport | 849 | 9.6 min | 77.2% | 57 |
| MDW SAN Chicago Midway International Airport – San Diego International Airport | 2,776 | 21.0 min | 42.0% | 50 |
| MDW BWI Chicago Midway International Airport – Baltimore/Washington International Thurgood Marshall Airport | 981 | 3.1 min | 98.0% | 50 |
| SAN SJC San Diego International Airport – Mineta San Jose International Airport | 671 | 36.9 min | 45.2% | 42 |
| MCO ATL Orlando International Airport – Hartsfield Jackson Atlanta International Airport | 651 | 20.6 min | 63.6% | 33 |
| PHL MDW Philadelphia International Airport – Chicago Midway International Airport | 1,073 | 25.9 min | 32.3% | 31 |
| MCI MDW Kansas City International Airport – Chicago Midway International Airport | 650 | 22.1 min | 54.8% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 13 | 13 | 61.5% | 0 |
| November 2024 | 20 | 19 | 68.4% | 1 |
| December 2024 | 18 | 18 | 88.9% | 0 |
| January 2025 | 4 | 4 | 100.0% | 0 |
| February 2025 | 10 | 10 | 60.0% | 0 |
| March 2025 | 34 | 34 | 76.5% | 0 |
| April 2025 | 41 | 41 | 87.8% | 0 |
| May 2025 | 41 | 41 | 73.2% | 0 |
| June 2025 | 32 | 32 | 87.5% | 0 |
| July 2025 | 30 | 30 | 76.7% | 0 |
| August 2025 | 27 | 27 | 92.6% | 0 |
| September 2025 | 26 | 26 | 96.2% | 0 |
| October 2025 | 39 | 39 | 33.3% | 0 |
| November 2025 | 17 | 17 | 64.7% | 0 |
| December 2025 | 15 | 15 | 73.3% | 0 |
| January 2026 | 12 | 12 | 100.0% | 0 |
| February 2026 | 9 | 9 | 66.7% | 0 |
| March 2026 | 21 | 21 | 81.0% | 0 |
| April 2026 | 45 | 45 | 64.4% | 0 |
| May 2026 | 52 | 52 | 38.5% | 0 |
| June 2026 | 24 | 24 | 50.0% | 0 |
| July 2026 | 22 | 22 | 40.9% | 0 |