WN4729
WN4729 (Southwest Airlines) is a multi-stop service on 17 routes, busiest Santa Ana to San Jose. Of 202 departures recorded from October 2024 to July 2026, 81.5% left on time, according to the US BTS.
- On-time departures81.5%of 202 flights
- Average delay7.5 min
- July 202620▲ 150.0%vs July 2025
- Cancelled1.0%
- Legs flown under this number17
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 26 | – | – |
| February | 26 | 18 | ▼ 30.8% |
| March | 12 | 2 | ▼ 83.3% |
| April | 2 | – | – |
| May | – | 1 | – |
| June | 8 | 20 | ▲ 150.0% |
| July | 8 | 20 | ▲ 150.0% |
| August | 2 | – | – |
| September | – | – | – |
| October | 8 | – | in progress |
| November | 2 | – | – |
| December | 1 | – | – |
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 periods15 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 96.0% | – | – |
| February | 92.3% | 72.2% | ▼ 21.8% |
| March | 83.3% | 100.0% | ▲ 20.0% |
| April | 100.0% | – | – |
| May | – | 100.0% | – |
| June | 50.0% | 89.5% | ▲ 78.9% |
| July | 25.0% | 95.0% | ▲ 280.0% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | 87.5% | – | in progress |
| November | 100.0% | – | – |
| 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 periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | – | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | – | – |
| May | – | 0 | – |
| June | 0 | 1 | – |
| 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 99.0% 200
- Cancelled 1.0% 2
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 |
|---|---|---|---|---|
| SNA SJC John Wayne Orange County International Airport – Mineta San Jose International Airport | 550 | -3.2 min | 96.4% | 56 |
| ATL HOU Hartsfield Jackson Atlanta International Airport – William P. Hobby Airport | 1,118 | 5.7 min | 92.3% | 40 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 27 | 27 | 59.3% | 0 |
| November 2024 | 15 | 15 | 93.3% | 0 |
| December 2024 | 4 | 4 | 75.0% | 0 |
| January 2025 | 26 | 25 | 96.0% | 1 |
| February 2025 | 26 | 26 | 92.3% | 0 |
| March 2025 | 12 | 12 | 83.3% | 0 |
| April 2025 | 2 | 2 | 100.0% | 0 |
| June 2025 | 8 | 8 | 50.0% | 0 |
| July 2025 | 8 | 8 | 25.0% | 0 |
| August 2025 | 2 | 2 | 100.0% | 0 |
| October 2025 | 8 | 8 | 87.5% | 0 |
| November 2025 | 2 | 2 | 100.0% | 0 |
| December 2025 | 1 | 1 | 100.0% | 0 |
| February 2026 | 18 | 18 | 72.2% | 0 |
| March 2026 | 2 | 2 | 100.0% | 0 |
| May 2026 | 1 | 1 | 100.0% | 0 |
| June 2026 | 20 | 19 | 89.5% | 1 |
| July 2026 | 20 | 20 | 95.0% | 0 |