WN1575
WN1575 (Southwest Airlines) is a multi-stop service on 30 routes, busiest Baltimore to Manchester. Of 761 departures recorded from October 2024 to July 2026, 67.2% left on time, according to the US BTS.
- On-time departures67.2%of 761 flights
- Average delay16.0 min
- July 202631▼ 24.4%vs July 2025
- Cancelled0.9%
- Legs flown under this number30
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 | 28 | 36 | ▲ 28.6% |
| February | 24 | 20 | ▼ 16.7% |
| March | 30 | 26 | ▼ 13.3% |
| April | 36 | 29 | ▼ 19.4% |
| May | 45 | 31 | ▼ 31.1% |
| June | 37 | 30 | ▼ 18.9% |
| July | 41 | 31 | ▼ 24.4% |
| August | 32 | – | – |
| September | 30 | – | – |
| October | 41 | – | in progress |
| November | 74 | – | – |
| December | 68 | – | – |
| Year to date (Jan–Jul) | 241 | 203 | ▼ 15.8% |
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 | 81.5% | 62.9% | ▼ 22.9% |
| February | 62.5% | 90.0% | ▲ 44.0% |
| March | 93.3% | 50.0% | ▼ 46.4% |
| April | 83.3% | 89.7% | ▲ 7.6% |
| May | 84.4% | 90.3% | ▲ 7.0% |
| June | 94.4% | 33.3% | ▼ 64.7% |
| July | 78.1% | 38.7% | ▼ 50.4% |
| August | 78.1% | – | – |
| September | 93.3% | – | – |
| October | 46.3% | – | in progress |
| November | 52.9% | – | – |
| December | 36.8% | – | – |
| Year-to-date average (Jan–Jul) | 82.5% | 65.0% | ▼ 21.2% |
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 | 1 | 1 | 0.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 4 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 1 | ▼ 50.0% |
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 99.1% 754
- Cancelled 0.9% 7
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
12Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 82.4% | 0 |
| November 2024 | 26 | 26 | 53.9% | 0 |
| December 2024 | 29 | 29 | 58.6% | 0 |
| January 2025 | 28 | 27 | 81.5% | 1 |
| February 2025 | 24 | 24 | 62.5% | 0 |
| March 2025 | 30 | 30 | 93.3% | 0 |
| April 2025 | 36 | 36 | 83.3% | 0 |
| May 2025 | 45 | 45 | 84.4% | 0 |
| June 2025 | 37 | 36 | 94.4% | 1 |
| July 2025 | 41 | 41 | 78.1% | 0 |
| August 2025 | 32 | 32 | 78.1% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 41 | 41 | 46.3% | 0 |
| November 2025 | 74 | 70 | 52.9% | 4 |
| December 2025 | 68 | 68 | 36.8% | 0 |
| January 2026 | 36 | 35 | 62.9% | 1 |
| February 2026 | 20 | 20 | 90.0% | 0 |
| March 2026 | 26 | 26 | 50.0% | 0 |
| April 2026 | 29 | 29 | 89.7% | 0 |
| May 2026 | 31 | 31 | 90.3% | 0 |
| June 2026 | 30 | 30 | 33.3% | 0 |
| July 2026 | 31 | 31 | 38.7% | 0 |