WN3155
WN3155 (Southwest Airlines) is a multi-stop service on 27 routes, busiest San Diego to Sacramento. Of 588 departures recorded from October 2024 to July 2026, 76.9% left on time, according to the US BTS.
- On-time departures76.9%of 588 flights
- Average delay14.6 min
- July 202639▲ 25.8%vs July 2025
- Cancelled0.7%
- Legs flown under this number27
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 | 38 | 2 | ▼ 94.7% |
| February | 35 | 7 | ▼ 80.0% |
| March | 36 | 28 | ▼ 22.2% |
| April | 8 | 40 | ▲ 400.0% |
| May | 1 | 43 | ▲ 4,200.0% |
| June | 26 | 38 | ▲ 46.2% |
| July | 31 | 39 | ▲ 25.8% |
| August | 22 | – | – |
| September | 21 | – | – |
| October | 26 | – | in progress |
| November | 25 | – | – |
| December | 20 | – | – |
| Year to date (Jan–Jul) | 175 | 197 | ▲ 12.6% |
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 | 86.8% | 100.0% | ▲ 15.2% |
| February | 88.6% | 28.6% | ▼ 67.7% |
| March | 75.0% | 46.2% | ▼ 38.5% |
| April | 87.5% | 77.5% | ▼ 11.4% |
| May | 0.0% | 74.4% | – |
| June | 92.3% | 60.5% | ▼ 34.4% |
| July | 93.6% | 92.3% | ▼ 1.3% |
| August | 76.2% | – | – |
| September | 61.9% | – | – |
| October | 36.0% | – | in progress |
| November | 80.0% | – | – |
| December | 65.0% | – | – |
| Year-to-date average (Jan–Jul) | 74.8% | 68.5% | ▼ 8.5% |
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 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 2 |
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% 584
- Cancelled 0.7% 4
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
10Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 93.8% | 0 |
| November 2024 | 27 | 27 | 100.0% | 0 |
| December 2024 | 59 | 59 | 79.7% | 0 |
| January 2025 | 38 | 38 | 86.8% | 0 |
| February 2025 | 35 | 35 | 88.6% | 0 |
| March 2025 | 36 | 36 | 75.0% | 0 |
| April 2025 | 8 | 8 | 87.5% | 0 |
| May 2025 | 1 | 1 | 0.0% | 0 |
| June 2025 | 26 | 26 | 92.3% | 0 |
| July 2025 | 31 | 31 | 93.6% | 0 |
| August 2025 | 22 | 21 | 76.2% | 1 |
| September 2025 | 21 | 21 | 61.9% | 0 |
| October 2025 | 26 | 25 | 36.0% | 1 |
| November 2025 | 25 | 25 | 80.0% | 0 |
| December 2025 | 20 | 20 | 65.0% | 0 |
| January 2026 | 2 | 2 | 100.0% | 0 |
| February 2026 | 7 | 7 | 28.6% | 0 |
| March 2026 | 28 | 26 | 46.2% | 2 |
| April 2026 | 40 | 40 | 77.5% | 0 |
| May 2026 | 43 | 43 | 74.4% | 0 |
| June 2026 | 38 | 38 | 60.5% | 0 |
| July 2026 | 39 | 39 | 92.3% | 0 |