WN4047
WN4047 (Southwest Airlines) is a multi-stop service on 24 routes, busiest Phoenix to Austin. Of 361 departures recorded from October 2024 to July 2026, 68.3% left on time, according to the US BTS.
- On-time departures68.3%of 361 flights
- Average delay17.5 min
- July 202640▲ 900.0%vs July 2025
- Cancelled1.4%
- Legs flown under this number24
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 | 3 | 22 | ▲ 633.3% |
| February | 10 | 35 | ▲ 250.0% |
| March | 2 | 15 | ▲ 650.0% |
| April | – | 12 | – |
| May | 1 | 13 | ▲ 1,200.0% |
| June | 4 | 42 | ▲ 950.0% |
| July | 4 | 40 | ▲ 900.0% |
| August | 19 | – | – |
| September | 21 | – | – |
| October | 30 | – | in progress |
| November | 29 | – | – |
| December | 30 | – | – |
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 | 66.7% | 90.9% | ▲ 36.4% |
| February | 77.8% | 55.9% | ▼ 28.2% |
| March | 100.0% | 73.3% | ▼ 26.7% |
| April | – | 66.7% | – |
| May | 100.0% | 75.0% | ▼ 25.0% |
| June | 100.0% | 26.2% | ▼ 73.8% |
| July | 50.0% | 27.5% | ▼ 45.0% |
| August | 57.9% | – | – |
| September | 81.0% | – | – |
| October | 96.6% | – | in progress |
| November | 96.6% | – | – |
| December | 100.0% | – | – |
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 | 0 | 0 | – |
| February | 1 | 1 | 0.0% |
| March | 0 | 0 | – |
| April | – | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
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 98.6% 356
- Cancelled 1.4% 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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PHX AUS Phoenix Sky Harbor International Airport – Austin Bergstrom International Airport | 1,401 | -3.3 min | 98.4% | 62 |
| TPA SJU Tampa International Airport – Luis Munoz Marin International Airport | 1,991 | 67.6 min | 19.5% | 41 |
| OGG HNL Kahului International Airport – Daniel K. Inouye International Airport | 162 | -2.8 min | 96.7% | 31 |
| PVD DCA Rhode Island T. F. Green International Airport – Ronald Reagan Washington National Airport | 573 | 26.4 min | 71.0% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 92.9% | 0 |
| November 2024 | 4 | 4 | 75.0% | 0 |
| December 2024 | 11 | 11 | 63.6% | 0 |
| January 2025 | 3 | 3 | 66.7% | 0 |
| February 2025 | 10 | 9 | 77.8% | 1 |
| March 2025 | 2 | 2 | 100.0% | 0 |
| May 2025 | 1 | 1 | 100.0% | 0 |
| June 2025 | 4 | 4 | 100.0% | 0 |
| July 2025 | 4 | 4 | 50.0% | 0 |
| August 2025 | 19 | 19 | 57.9% | 0 |
| September 2025 | 21 | 21 | 81.0% | 0 |
| October 2025 | 30 | 29 | 96.6% | 1 |
| November 2025 | 29 | 29 | 96.6% | 0 |
| December 2025 | 30 | 29 | 100.0% | 1 |
| January 2026 | 22 | 22 | 90.9% | 0 |
| February 2026 | 35 | 34 | 55.9% | 1 |
| March 2026 | 15 | 15 | 73.3% | 0 |
| April 2026 | 12 | 12 | 66.7% | 0 |
| May 2026 | 13 | 12 | 75.0% | 1 |
| June 2026 | 42 | 42 | 26.2% | 0 |
| July 2026 | 40 | 40 | 27.5% | 0 |