WN541
WN541 (Southwest Airlines) is a multi-stop service on 29 routes, busiest San Francisco to San Diego. Of 676 departures recorded from October 2024 to July 2026, 78.8% left on time, according to the US BTS.
- On-time departures78.8%of 676 flights
- Average delay9.6 min
- July 202628▼ 9.7%vs July 2025
- Cancelled0.9%
- Legs flown under this number29
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 | 44 | ▲ 33.3% |
| February | 30 | 36 | ▲ 20.0% |
| March | 31 | 21 | ▼ 32.3% |
| April | 39 | 27 | ▼ 30.8% |
| May | 45 | 31 | ▼ 31.1% |
| June | 31 | 26 | ▼ 16.1% |
| July | 31 | 28 | ▼ 9.7% |
| August | 34 | – | – |
| September | 34 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 240 | 213 | ▼ 11.3% |
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 | 84.9% | 66.7% | ▼ 21.4% |
| February | 70.0% | 82.9% | ▲ 18.4% |
| March | 74.2% | 52.4% | ▼ 29.4% |
| April | 89.7% | 74.1% | ▼ 17.5% |
| May | 95.6% | 74.2% | ▼ 22.4% |
| June | 100.0% | 69.2% | ▼ 30.8% |
| July | 87.1% | 100.0% | ▲ 14.8% |
| August | 47.1% | – | – |
| September | 56.3% | – | – |
| October | 67.7% | – | in progress |
| November | 93.3% | – | – |
| December | 100.0% | – | – |
| Year-to-date average (Jan–Jul) | 85.9% | 74.2% | ▼ 13.6% |
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 | 2 | – |
| February | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 2 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 3 |
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 99.1% 670
- Cancelled 0.9% 6
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
9Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 21 | 21 | 85.7% | 0 |
| November 2024 | 17 | 17 | 70.6% | 0 |
| December 2024 | 25 | 24 | 79.2% | 1 |
| January 2025 | 33 | 33 | 84.9% | 0 |
| February 2025 | 30 | 30 | 70.0% | 0 |
| March 2025 | 31 | 31 | 74.2% | 0 |
| April 2025 | 39 | 39 | 89.7% | 0 |
| May 2025 | 45 | 45 | 95.6% | 0 |
| June 2025 | 31 | 31 | 100.0% | 0 |
| July 2025 | 31 | 31 | 87.1% | 0 |
| August 2025 | 34 | 34 | 47.1% | 0 |
| September 2025 | 34 | 32 | 56.3% | 2 |
| October 2025 | 31 | 31 | 67.7% | 0 |
| November 2025 | 30 | 30 | 93.3% | 0 |
| December 2025 | 31 | 31 | 100.0% | 0 |
| January 2026 | 44 | 42 | 66.7% | 2 |
| February 2026 | 36 | 35 | 82.9% | 1 |
| March 2026 | 21 | 21 | 52.4% | 0 |
| April 2026 | 27 | 27 | 74.1% | 0 |
| May 2026 | 31 | 31 | 74.2% | 0 |
| June 2026 | 26 | 26 | 69.2% | 0 |
| July 2026 | 28 | 28 | 100.0% | 0 |