WN4245
WN4245 (Southwest Airlines) is a multi-stop service on 18 routes, busiest Phoenix to Burbank. Of 204 departures recorded from October 2024 to July 2026, 75.9% left on time, according to the US BTS.
- On-time departures75.9%of 204 flights
- Average delay12.9 min
- July 202627▲ 50.0%vs July 2025
- Cancelled0.5%
- Legs flown under this number18
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 9 | – | – |
| February | 4 | 7 | ▲ 75.0% |
| March | 26 | 1 | ▼ 96.2% |
| April | 7 | 1 | ▼ 85.7% |
| May | 1 | – | – |
| June | 14 | 23 | ▲ 64.3% |
| July | 18 | 27 | ▲ 50.0% |
| August | 5 | – | – |
| September | 4 | – | – |
| October | 22 | – | in progress |
| November | 2 | – | – |
| December | 3 | – | – |
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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 77.8% | – | – |
| February | 100.0% | 57.1% | ▼ 42.9% |
| March | 48.0% | 0.0% | ▼ 100.0% |
| April | 71.4% | 100.0% | ▲ 40.0% |
| May | 100.0% | – | – |
| June | 71.4% | 95.7% | ▲ 33.9% |
| July | 72.2% | 100.0% | ▲ 38.5% |
| August | 80.0% | – | – |
| September | 0.0% | – | – |
| October | 54.6% | – | in progress |
| November | 100.0% | – | – |
| December | 66.7% | – | – |
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 periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | – | – |
| February | 0 | 0 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | – | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | 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 99.5% 203
- Cancelled 0.5% 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
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PHX BUR Phoenix Sky Harbor International Airport – Hollywood Burbank/Bob Hope Airport | 593 | -4.3 min | 98.0% | 50 |
| FLL PIT Fort Lauderdale Hollywood International Airport – Pittsburgh International Airport | 1,603 | 28.8 min | 53.1% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 12 | 12 | 100.0% | 0 |
| November 2024 | 6 | 6 | 100.0% | 0 |
| December 2024 | 12 | 12 | 83.3% | 0 |
| January 2025 | 9 | 9 | 77.8% | 0 |
| February 2025 | 4 | 4 | 100.0% | 0 |
| March 2025 | 26 | 25 | 48.0% | 1 |
| April 2025 | 7 | 7 | 71.4% | 0 |
| May 2025 | 1 | 1 | 100.0% | 0 |
| June 2025 | 14 | 14 | 71.4% | 0 |
| July 2025 | 18 | 18 | 72.2% | 0 |
| August 2025 | 5 | 5 | 80.0% | 0 |
| September 2025 | 4 | 4 | 0.0% | 0 |
| October 2025 | 22 | 22 | 54.6% | 0 |
| November 2025 | 2 | 2 | 100.0% | 0 |
| December 2025 | 3 | 3 | 66.7% | 0 |
| February 2026 | 7 | 7 | 57.1% | 0 |
| March 2026 | 1 | 1 | 0.0% | 0 |
| April 2026 | 1 | 1 | 100.0% | 0 |
| June 2026 | 23 | 23 | 95.7% | 0 |
| July 2026 | 27 | 27 | 100.0% | 0 |