WN3780
WN3780 (Southwest Airlines) is a multi-stop service on 26 routes, busiest Phoenix to Denver. Of 555 departures recorded from October 2024 to July 2026, 78.0% left on time, according to the US BTS.
- On-time departures78.0%of 555 flights
- Average delay12.2 min
- July 202617▲ 70.0%vs July 2025
- Cancelled1.1%
- Legs flown under this number26
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 28 | 2 | ▼ 92.9% |
| February | 28 | – | – |
| March | 39 | 31 | ▼ 20.5% |
| April | 32 | 39 | ▲ 21.9% |
| May | 31 | 39 | ▲ 25.8% |
| June | 10 | 20 | ▲ 100.0% |
| July | 10 | 17 | ▲ 70.0% |
| August | 35 | – | – |
| September | 39 | – | – |
| October | 31 | – | in progress |
| November | 25 | – | – |
| December | 20 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 85.2% | 50.0% | ▼ 41.3% |
| February | 71.4% | – | – |
| March | 71.8% | 51.6% | ▼ 28.1% |
| April | 77.4% | 82.1% | ▲ 6.0% |
| May | 67.7% | 79.5% | ▲ 17.3% |
| June | 87.5% | 73.7% | ▼ 15.8% |
| July | 80.0% | 88.2% | ▲ 10.3% |
| August | 91.4% | – | – |
| September | 87.2% | – | – |
| October | 83.3% | – | in progress |
| November | 84.0% | – | – |
| December | 70.0% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 0 | – | – |
| March | 0 | 0 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 2 | 1 | ▼ 50.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 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 98.9% 549
- Cancelled 1.1% 6
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PHX DEN Phoenix Sky Harbor International Airport – Denver International Airport | 968 | 15.3 min | 75.2% | 116 |
| ATL TPA Hartsfield Jackson Atlanta International Airport – Tampa International Airport | 655 | 11.1 min | 78.2% | 88 |
| MDW SFO Chicago Midway International Airport – San Francisco International Airport | 2,977 | 15.2 min | 76.1% | 46 |
| MDW TUL Chicago Midway International Airport – Tulsa International Airport | 938 | 12.4 min | 85.7% | 42 |
| HOU AUS William P. Hobby Airport – Austin Bergstrom International Airport | 238 | 21.8 min | 48.5% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 22 | 22 | 90.9% | 0 |
| November 2024 | 28 | 28 | 67.9% | 0 |
| December 2024 | 29 | 29 | 79.3% | 0 |
| January 2025 | 28 | 27 | 85.2% | 1 |
| February 2025 | 28 | 28 | 71.4% | 0 |
| March 2025 | 39 | 39 | 71.8% | 0 |
| April 2025 | 32 | 31 | 77.4% | 1 |
| May 2025 | 31 | 31 | 67.7% | 0 |
| June 2025 | 10 | 8 | 87.5% | 2 |
| July 2025 | 10 | 10 | 80.0% | 0 |
| August 2025 | 35 | 35 | 91.4% | 0 |
| September 2025 | 39 | 39 | 87.2% | 0 |
| October 2025 | 31 | 30 | 83.3% | 1 |
| November 2025 | 25 | 25 | 84.0% | 0 |
| December 2025 | 20 | 20 | 70.0% | 0 |
| January 2026 | 2 | 2 | 50.0% | 0 |
| March 2026 | 31 | 31 | 51.6% | 0 |
| April 2026 | 39 | 39 | 82.1% | 0 |
| May 2026 | 39 | 39 | 79.5% | 0 |
| June 2026 | 20 | 19 | 73.7% | 1 |
| July 2026 | 17 | 17 | 88.2% | 0 |