WN4264
WN4264 (Southwest Airlines) is a multi-stop service on 20 routes, busiest San Jose to Portland. Of 446 departures recorded from October 2024 to July 2026, 69.1% left on time, according to the US BTS.
- On-time departures69.1%of 446 flights
- Average delay16.4 min
- July 202627▲ 68.8%vs July 2025
- Cancelled0.7%
- Legs flown under this number20
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 | 28 | 5 | ▼ 82.1% |
| February | 28 | – | – |
| March | 5 | – | – |
| April | – | 41 | – |
| May | 1 | 52 | ▲ 5,100.0% |
| June | 16 | 30 | ▲ 87.5% |
| July | 16 | 27 | ▲ 68.8% |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 34 | – | in progress |
| November | 28 | – | – |
| December | 29 | – | – |
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 | 92.9% | 60.0% | ▼ 35.4% |
| February | 85.7% | – | – |
| March | 100.0% | – | – |
| April | – | 58.5% | – |
| May | 100.0% | 47.1% | ▼ 52.9% |
| June | 56.3% | 50.0% | ▼ 11.1% |
| July | 46.7% | 66.7% | ▲ 42.9% |
| August | 83.3% | – | – |
| September | 90.0% | – | – |
| October | 82.4% | – | in progress |
| November | 55.6% | – | – |
| December | 65.5% | – | – |
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 | – | – |
| March | 0 | – | – |
| April | – | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| 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 99.3% 443
- Cancelled 0.7% 3
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SJC PDX Mineta San Jose International Airport – Portland International Airport | 916 | 5.9 min | 87.5% | 88 |
| SAN SMF San Diego International Airport – Sacramento International Airport | 773 | 21.1 min | 60.7% | 62 |
| SJC SAN Mineta San Jose International Airport – San Diego International Airport | 671 | 6.2 min | 83.7% | 50 |
| OMA STL Eppley Airfield – St. Louis Lambert International Airport | 549 | 7.3 min | 86.0% | 50 |
| FLL DEN Fort Lauderdale Hollywood International Airport – Denver International Airport | 2,739 | 15.0 min | 69.1% | 42 |
| PHX OMA Phoenix Sky Harbor International Airport – Eppley Airfield | 1,667 | 29.5 min | 54.3% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 12 | 12 | 83.3% | 0 |
| November 2024 | 14 | 14 | 85.7% | 0 |
| December 2024 | 20 | 20 | 70.0% | 0 |
| January 2025 | 28 | 28 | 92.9% | 0 |
| February 2025 | 28 | 28 | 85.7% | 0 |
| March 2025 | 5 | 5 | 100.0% | 0 |
| May 2025 | 1 | 1 | 100.0% | 0 |
| June 2025 | 16 | 16 | 56.3% | 0 |
| July 2025 | 16 | 15 | 46.7% | 1 |
| August 2025 | 30 | 30 | 83.3% | 0 |
| September 2025 | 30 | 30 | 90.0% | 0 |
| October 2025 | 34 | 34 | 82.4% | 0 |
| November 2025 | 28 | 27 | 55.6% | 1 |
| December 2025 | 29 | 29 | 65.5% | 0 |
| January 2026 | 5 | 5 | 60.0% | 0 |
| April 2026 | 41 | 41 | 58.5% | 0 |
| May 2026 | 52 | 51 | 47.1% | 1 |
| June 2026 | 30 | 30 | 50.0% | 0 |
| July 2026 | 27 | 27 | 66.7% | 0 |