WN3546
WN3546 (Southwest Airlines) is a multi-stop service on 36 routes, busiest Baltimore to Detroit. Of 704 departures recorded from October 2024 to July 2026, 78.2% left on time, according to the US BTS.
- On-time departures78.2%of 704 flights
- Average delay12.1 min
- July 202614▼ 48.1%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 | 7 | 35 | ▲ 400.0% |
| February | 2 | 36 | ▲ 1,700.0% |
| March | 42 | 32 | ▼ 23.8% |
| April | 31 | 59 | ▲ 90.3% |
| May | 25 | 65 | ▲ 160.0% |
| June | 26 | 20 | ▼ 23.1% |
| July | 27 | 14 | ▼ 48.1% |
| August | 73 | – | – |
| September | 81 | – | – |
| October | 33 | – | in progress |
| November | 17 | – | – |
| December | 28 | – | – |
| Year to date (Jan–Jul) | 160 | 261 | ▲ 63.1% |
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 | 71.4% | 88.6% | ▲ 24.0% |
| February | 100.0% | 100.0% | 0.0% |
| March | 75.0% | 87.5% | ▲ 16.7% |
| April | 80.7% | 78.0% | ▼ 3.3% |
| May | 100.0% | 83.1% | ▼ 16.9% |
| June | 28.0% | 95.0% | ▲ 239.3% |
| July | 25.0% | 78.6% | ▲ 214.3% |
| August | 68.5% | – | – |
| September | 87.7% | – | – |
| October | 54.6% | – | in progress |
| November | 94.1% | – | – |
| December | 92.9% | – | – |
| Year-to-date average (Jan–Jul) | 68.6% | 87.2% | ▲ 27.2% |
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 | 2 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 7 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 10 | 0 | ▼ 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 98.3% 692
- Cancelled 1.7% 12
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
10Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 18 | 18 | 72.2% | 0 |
| November 2024 | 19 | 18 | 83.3% | 1 |
| December 2024 | 14 | 13 | 61.5% | 1 |
| January 2025 | 7 | 7 | 71.4% | 0 |
| February 2025 | 2 | 2 | 100.0% | 0 |
| March 2025 | 42 | 40 | 75.0% | 2 |
| April 2025 | 31 | 31 | 80.7% | 0 |
| May 2025 | 25 | 25 | 100.0% | 0 |
| June 2025 | 26 | 25 | 28.0% | 1 |
| July 2025 | 27 | 20 | 25.0% | 7 |
| August 2025 | 73 | 73 | 68.5% | 0 |
| September 2025 | 81 | 81 | 87.7% | 0 |
| October 2025 | 33 | 33 | 54.6% | 0 |
| November 2025 | 17 | 17 | 94.1% | 0 |
| December 2025 | 28 | 28 | 92.9% | 0 |
| January 2026 | 35 | 35 | 88.6% | 0 |
| February 2026 | 36 | 36 | 100.0% | 0 |
| March 2026 | 32 | 32 | 87.5% | 0 |
| April 2026 | 59 | 59 | 78.0% | 0 |
| May 2026 | 65 | 65 | 83.1% | 0 |
| June 2026 | 20 | 20 | 95.0% | 0 |
| July 2026 | 14 | 14 | 78.6% | 0 |