WN4365
WN4365 (Southwest Airlines) is a multi-stop service on 14 routes, busiest Santa Ana to Oakland. Of 383 departures recorded from October 2024 to July 2026, 64.3% left on time, according to the US BTS.
- On-time departures64.3%of 383 flights
- Average delay23.5 min
- July 202632▲ 300.0%vs July 2025
- Cancelled1.3%
- Legs flown under this number14
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 26 | 9 | ▼ 65.4% |
| February | 26 | 8 | ▼ 69.2% |
| March | 24 | 1 | ▼ 95.8% |
| April | 22 | 21 | ▼ 4.5% |
| May | 23 | 25 | ▲ 8.7% |
| June | 11 | 31 | ▲ 181.8% |
| July | 8 | 32 | ▲ 300.0% |
| August | 28 | – | – |
| September | 30 | – | – |
| October | 1 | – | in progress |
| November | 4 | – | – |
| December | 15 | – | – |
| Year to date (Jan–Jul) | 140 | 127 | ▼ 9.3% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 73.1% | 77.8% | ▲ 6.4% |
| February | 88.5% | 87.5% | ▼ 1.1% |
| March | 58.3% | 100.0% | ▲ 71.4% |
| April | 59.1% | 61.9% | ▲ 4.8% |
| May | 43.5% | 70.8% | ▲ 62.9% |
| June | 36.4% | 25.8% | ▼ 29.0% |
| July | 42.9% | 12.9% | ▼ 69.9% |
| August | 89.3% | – | – |
| September | 96.7% | – | – |
| October | 100.0% | – | in progress |
| November | 75.0% | – | – |
| December | 53.9% | – | – |
| Year-to-date average (Jan–Jul) | 57.4% | 62.4% | ▲ 8.7% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 1 | 1 | 0.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 1 | 2 | ▲ 100.0% |
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 98.7% 378
- Cancelled 1.3% 5
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 |
|---|---|---|---|---|
| SNA OAK John Wayne Orange County International Airport – Oakland San Francisco Bay Airport | 597 | 3.9 min | 96.5% | 57 |
| DAL HRL Dallas Love Field – Valley International Airport | 740 | 8.1 min | 81.8% | 55 |
| SMF PHX Sacramento International Airport – Phoenix Sky Harbor International Airport | 1,040 | 11.5 min | 66.7% | 49 |
| MCO DAL Orlando International Airport – Dallas Love Field | 1,564 | 35.6 min | 54.8% | 42 |
| DAL SMF Dallas Love Field – Sacramento International Airport | 2,317 | 44.6 min | 18.2% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 84.2% | 0 |
| November 2024 | 15 | 15 | 100.0% | 0 |
| December 2024 | 4 | 4 | 100.0% | 0 |
| January 2025 | 26 | 26 | 73.1% | 0 |
| February 2025 | 26 | 26 | 88.5% | 0 |
| March 2025 | 24 | 24 | 58.3% | 0 |
| April 2025 | 22 | 22 | 59.1% | 0 |
| May 2025 | 23 | 23 | 43.5% | 0 |
| June 2025 | 11 | 11 | 36.4% | 0 |
| July 2025 | 8 | 7 | 42.9% | 1 |
| August 2025 | 28 | 28 | 89.3% | 0 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 1 | 1 | 100.0% | 0 |
| November 2025 | 4 | 4 | 75.0% | 0 |
| December 2025 | 15 | 13 | 53.9% | 2 |
| January 2026 | 9 | 9 | 77.8% | 0 |
| February 2026 | 8 | 8 | 87.5% | 0 |
| March 2026 | 1 | 1 | 100.0% | 0 |
| April 2026 | 21 | 21 | 61.9% | 0 |
| May 2026 | 25 | 24 | 70.8% | 1 |
| June 2026 | 31 | 31 | 25.8% | 0 |
| July 2026 | 32 | 31 | 12.9% | 1 |