WN4681
WN4681 (Southwest Airlines) is a multi-stop service on 14 routes, busiest Phoenix to San Jose. Of 395 departures recorded from October 2024 to July 2026, 60.1% left on time, according to the US BTS.
- On-time departures60.1%of 395 flights
- Average delay26.2 min
- July 202618▼ 33.3%vs July 2025
- Cancelled1.0%
- Legs flown under this number14
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 | 32 | 27 | ▼ 15.6% |
| February | 28 | 28 | 0.0% |
| March | 9 | 4 | ▼ 55.6% |
| April | 16 | 3 | ▼ 81.3% |
| May | 22 | 6 | ▼ 72.7% |
| June | 24 | 16 | ▼ 33.3% |
| July | 27 | 18 | ▼ 33.3% |
| August | 3 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 5 | – | – |
| December | 11 | – | – |
| Year to date (Jan–Jul) | 158 | 102 | ▼ 35.4% |
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 | 78.1% | 73.1% | ▼ 6.5% |
| February | 82.1% | 53.6% | ▼ 34.8% |
| March | 66.7% | 100.0% | ▲ 50.0% |
| April | 81.3% | 33.3% | ▼ 59.0% |
| May | 72.7% | 66.7% | ▼ 8.3% |
| June | 26.1% | 6.3% | ▼ 76.0% |
| July | 19.2% | 17.7% | ▼ 8.2% |
| August | 33.3% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 60.0% | – | – |
| December | 45.5% | – | – |
| Year-to-date average (Jan–Jul) | 60.9% | 50.1% | ▼ 17.8% |
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 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 1 | 1 | 0.0% |
| August | 0 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 2 | 0.0% |
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 99.0% 391
- Cancelled 1.0% 4
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PHX SJC Phoenix Sky Harbor International Airport – Mineta San Jose International Airport | 999 | 12.9 min | 78.6% | 103 |
| MDW DTW Chicago Midway International Airport – Detroit Metropolitan Wayne County Airport | 367 | 17.0 min | 65.5% | 56 |
| DEN ONT Denver International Airport – Ontario International Airport | 1,316 | 54.0 min | 20.0% | 52 |
| DEN CMH Denver International Airport – John Glenn Columbus International Airport | 1,853 | 18.2 min | 76.9% | 39 |
| SFO SAN San Francisco International Airport – San Diego International Airport | 719 | 61.4 min | 12.1% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 82.4% | 0 |
| November 2024 | 57 | 57 | 66.7% | 0 |
| December 2024 | 42 | 42 | 78.6% | 0 |
| January 2025 | 32 | 32 | 78.1% | 0 |
| February 2025 | 28 | 28 | 82.1% | 0 |
| March 2025 | 9 | 9 | 66.7% | 0 |
| April 2025 | 16 | 16 | 81.3% | 0 |
| May 2025 | 22 | 22 | 72.7% | 0 |
| June 2025 | 24 | 23 | 26.1% | 1 |
| July 2025 | 27 | 26 | 19.2% | 1 |
| August 2025 | 3 | 3 | 33.3% | 0 |
| November 2025 | 5 | 5 | 60.0% | 0 |
| December 2025 | 11 | 11 | 45.5% | 0 |
| January 2026 | 27 | 26 | 73.1% | 1 |
| February 2026 | 28 | 28 | 53.6% | 0 |
| March 2026 | 4 | 4 | 100.0% | 0 |
| April 2026 | 3 | 3 | 33.3% | 0 |
| May 2026 | 6 | 6 | 66.7% | 0 |
| June 2026 | 16 | 16 | 6.3% | 0 |
| July 2026 | 18 | 17 | 17.7% | 1 |