WN4049
WN4049 (Southwest Airlines) is a multi-stop service on 15 routes, busiest Phoenix to San Francisco. Of 315 departures recorded from October 2024 to July 2026, 75.9% left on time, according to the US BTS.
- On-time departures75.9%of 315 flights
- Average delay13.6 min
- July 202630▲ 650.0%vs July 2025
- Cancelled0.0%
- Legs flown under this number15
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | 6 | ▼ 80.6% |
| February | 28 | 5 | ▼ 82.1% |
| March | 21 | – | – |
| April | 4 | – | – |
| May | 1 | 2 | ▲ 100.0% |
| June | 4 | 27 | ▲ 575.0% |
| July | 4 | 30 | ▲ 650.0% |
| August | 1 | – | – |
| September | – | – | – |
| October | 30 | – | in progress |
| November | 19 | – | – |
| December | 24 | – | – |
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 periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 83.9% | 66.7% | ▼ 20.5% |
| February | 82.1% | 60.0% | ▼ 27.0% |
| March | 66.7% | – | – |
| April | 75.0% | – | – |
| May | 100.0% | 50.0% | ▼ 50.0% |
| June | 75.0% | 74.1% | ▼ 1.2% |
| July | 50.0% | 70.0% | ▲ 40.0% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | 96.7% | – | in progress |
| November | 57.9% | – | – |
| December | 87.5% | – | – |
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 periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | – | – |
| April | 0 | – | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | – | – | – |
| 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 100.0% 315
- Cancelled 0.0% 0
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PHX SFO Phoenix Sky Harbor International Airport – San Francisco International Airport | 1,047 | 16.8 min | 75.0% | 120 |
| TPA STL Tampa International Airport – St. Louis Lambert International Airport | 1,400 | 11.1 min | 71.9% | 57 |
| PHX BHM Phoenix Sky Harbor International Airport – Birmingham-Shuttlesworth International Airport | 2,336 | 18.5 min | 65.7% | 35 |
| OGG HNL Kahului International Airport – Daniel K. Inouye International Airport | 162 | -3.0 min | 96.8% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 28 | 28 | 71.4% | 0 |
| December 2024 | 30 | 30 | 60.0% | 0 |
| January 2025 | 31 | 31 | 83.9% | 0 |
| February 2025 | 28 | 28 | 82.1% | 0 |
| March 2025 | 21 | 21 | 66.7% | 0 |
| April 2025 | 4 | 4 | 75.0% | 0 |
| May 2025 | 1 | 1 | 100.0% | 0 |
| June 2025 | 4 | 4 | 75.0% | 0 |
| July 2025 | 4 | 4 | 50.0% | 0 |
| August 2025 | 1 | 1 | 100.0% | 0 |
| October 2025 | 30 | 30 | 96.7% | 0 |
| November 2025 | 19 | 19 | 57.9% | 0 |
| December 2025 | 24 | 24 | 87.5% | 0 |
| January 2026 | 6 | 6 | 66.7% | 0 |
| February 2026 | 5 | 5 | 60.0% | 0 |
| May 2026 | 2 | 2 | 50.0% | 0 |
| June 2026 | 27 | 27 | 74.1% | 0 |
| July 2026 | 30 | 30 | 70.0% | 0 |