WN1159
WN1159 (Southwest Airlines) is a multi-stop service on 36 routes, busiest San Jose to San Diego. Of 773 departures recorded from October 2024 to July 2026, 76.6% left on time, according to the US BTS.
- On-time departures76.6%of 773 flights
- Average delay12.0 min
- July 202664▲ 178.3%vs July 2025
- Cancelled1.7%
- Legs flown under this number36
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 | 33 | 32 | ▼ 3.0% |
| February | 30 | 28 | ▼ 6.7% |
| March | 32 | 31 | ▼ 3.1% |
| April | 41 | 33 | ▼ 19.5% |
| May | 42 | 38 | ▼ 9.5% |
| June | 25 | 61 | ▲ 144.0% |
| July | 23 | 64 | ▲ 178.3% |
| August | 21 | – | – |
| September | 21 | – | – |
| October | 30 | – | in progress |
| November | 32 | – | – |
| December | 33 | – | – |
| Year to date (Jan–Jul) | 226 | 287 | ▲ 27.0% |
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 | 90.9% | 65.5% | ▼ 27.9% |
| February | 96.7% | 75.0% | ▼ 22.4% |
| March | 96.8% | 41.9% | ▼ 56.7% |
| April | 92.7% | 78.8% | ▼ 15.0% |
| May | 97.6% | 42.1% | ▼ 56.9% |
| June | 96.0% | 55.7% | ▼ 41.9% |
| July | 95.7% | 57.6% | ▼ 39.7% |
| August | 90.5% | – | – |
| September | 95.2% | – | – |
| October | 86.7% | – | in progress |
| November | 65.6% | – | – |
| December | 67.7% | – | – |
| Year-to-date average (Jan–Jul) | 95.2% | 59.5% | ▼ 37.5% |
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 | 3 | – |
| February | 0 | 0 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 5 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 1 | 8 | ▲ 700.0% |
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 98.3% 760
- Cancelled 1.7% 13
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
11Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 80.0% | 0 |
| November 2024 | 52 | 52 | 84.6% | 0 |
| December 2024 | 51 | 49 | 77.6% | 2 |
| January 2025 | 33 | 33 | 90.9% | 0 |
| February 2025 | 30 | 30 | 96.7% | 0 |
| March 2025 | 32 | 31 | 96.8% | 1 |
| April 2025 | 41 | 41 | 92.7% | 0 |
| May 2025 | 42 | 42 | 97.6% | 0 |
| June 2025 | 25 | 25 | 96.0% | 0 |
| July 2025 | 23 | 23 | 95.7% | 0 |
| August 2025 | 21 | 21 | 90.5% | 0 |
| September 2025 | 21 | 21 | 95.2% | 0 |
| October 2025 | 30 | 30 | 86.7% | 0 |
| November 2025 | 32 | 32 | 65.6% | 0 |
| December 2025 | 33 | 31 | 67.7% | 2 |
| January 2026 | 32 | 29 | 65.5% | 3 |
| February 2026 | 28 | 28 | 75.0% | 0 |
| March 2026 | 31 | 31 | 41.9% | 0 |
| April 2026 | 33 | 33 | 78.8% | 0 |
| May 2026 | 38 | 38 | 42.1% | 0 |
| June 2026 | 61 | 61 | 55.7% | 0 |
| July 2026 | 64 | 59 | 57.6% | 5 |