WN440
WN440 (Southwest Airlines) is a multi-stop service on 28 routes, busiest Denver to Orlando. Of 669 departures recorded from October 2024 to July 2026, 72.3% left on time, according to the US BTS.
- On-time departures72.3%of 669 flights
- Average delay16.4 min
- July 202631▲ 72.2%vs July 2025
- Cancelled0.3%
- Legs flown under this number28
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 | 32 | ▲ 3.2% |
| February | 28 | 28 | 0.0% |
| March | 31 | 43 | ▲ 38.7% |
| April | 30 | 33 | ▲ 10.0% |
| May | 31 | 31 | 0.0% |
| June | 18 | 30 | ▲ 66.7% |
| July | 18 | 31 | ▲ 72.2% |
| August | 34 | – | – |
| September | 34 | – | – |
| October | 35 | – | in progress |
| November | 41 | – | – |
| December | 35 | – | – |
| Year to date (Jan–Jul) | 187 | 228 | ▲ 21.9% |
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 | 58.1% | 81.3% | ▲ 39.9% |
| February | 75.0% | 89.3% | ▲ 19.1% |
| March | 67.7% | 66.7% | ▼ 1.6% |
| April | 89.7% | 57.6% | ▼ 35.8% |
| May | 83.9% | 45.2% | ▼ 46.2% |
| June | 94.4% | 90.0% | ▼ 4.7% |
| July | 94.4% | 80.7% | ▼ 14.6% |
| August | 64.7% | – | – |
| September | 55.9% | – | – |
| October | 57.1% | – | in progress |
| November | 63.4% | – | – |
| December | 60.0% | – | – |
| Year-to-date average (Jan–Jul) | 80.5% | 72.9% | ▼ 9.3% |
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 | 1 | – |
| April | 1 | 0 | ▼ 100.0% |
| 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) | 1 | 1 | 0.0% |
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 99.7% 667
- Cancelled 0.3% 2
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
10Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 92.9% | 0 |
| November 2024 | 30 | 30 | 76.7% | 0 |
| December 2024 | 31 | 31 | 90.3% | 0 |
| January 2025 | 31 | 31 | 58.1% | 0 |
| February 2025 | 28 | 28 | 75.0% | 0 |
| March 2025 | 31 | 31 | 67.7% | 0 |
| April 2025 | 30 | 29 | 89.7% | 1 |
| May 2025 | 31 | 31 | 83.9% | 0 |
| June 2025 | 18 | 18 | 94.4% | 0 |
| July 2025 | 18 | 18 | 94.4% | 0 |
| August 2025 | 34 | 34 | 64.7% | 0 |
| September 2025 | 34 | 34 | 55.9% | 0 |
| October 2025 | 35 | 35 | 57.1% | 0 |
| November 2025 | 41 | 41 | 63.4% | 0 |
| December 2025 | 35 | 35 | 60.0% | 0 |
| January 2026 | 32 | 32 | 81.3% | 0 |
| February 2026 | 28 | 28 | 89.3% | 0 |
| March 2026 | 43 | 42 | 66.7% | 1 |
| April 2026 | 33 | 33 | 57.6% | 0 |
| May 2026 | 31 | 31 | 45.2% | 0 |
| June 2026 | 30 | 30 | 90.0% | 0 |
| July 2026 | 31 | 31 | 80.7% | 0 |