WN1037
WN1037 (Southwest Airlines) is a multi-stop service on 39 routes, busiest Baltimore to Buffalo. Of 926 departures recorded from October 2024 to July 2026, 76.3% left on time, according to the US BTS.
- On-time departures76.3%of 926 flights
- Average delay13.0 min
- July 2026104▲ 153.7%vs July 2025
- Cancelled0.4%
- Legs flown under this number39
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 | 45 | ▲ 36.4% |
| February | 28 | 59 | ▲ 110.7% |
| March | 51 | 47 | ▼ 7.8% |
| April | 35 | 23 | ▼ 34.3% |
| May | 31 | 18 | ▼ 41.9% |
| June | 36 | 92 | ▲ 155.6% |
| July | 41 | 104 | ▲ 153.7% |
| August | 29 | – | – |
| September | 30 | – | – |
| October | 42 | – | in progress |
| November | 63 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 255 | 388 | ▲ 52.2% |
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 | 78.1% | 86.7% | ▲ 10.9% |
| February | 84.6% | 83.1% | ▼ 1.9% |
| March | 94.1% | 76.6% | ▼ 18.6% |
| April | 97.1% | 78.3% | ▼ 19.4% |
| May | 90.3% | 94.4% | ▲ 4.6% |
| June | 50.0% | 68.5% | ▲ 37.0% |
| July | 46.3% | 64.4% | ▲ 39.0% |
| August | 75.9% | – | – |
| September | 86.7% | – | – |
| October | 95.2% | – | in progress |
| November | 76.2% | – | – |
| December | 64.5% | – | – |
| Year-to-date average (Jan–Jul) | 77.2% | 78.8% | ▲ 2.1% |
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 | 0 | ▼ 100.0% |
| February | 2 | 0 | ▼ 100.0% |
| March | 0 | 0 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 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 99.6% 922
- Cancelled 0.4% 4
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 | 95.0% | 0 |
| November 2024 | 30 | 30 | 66.7% | 0 |
| December 2024 | 38 | 38 | 68.4% | 0 |
| January 2025 | 33 | 32 | 78.1% | 1 |
| February 2025 | 28 | 26 | 84.6% | 2 |
| March 2025 | 51 | 51 | 94.1% | 0 |
| April 2025 | 35 | 34 | 97.1% | 1 |
| May 2025 | 31 | 31 | 90.3% | 0 |
| June 2025 | 36 | 36 | 50.0% | 0 |
| July 2025 | 41 | 41 | 46.3% | 0 |
| August 2025 | 29 | 29 | 75.9% | 0 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 42 | 42 | 95.2% | 0 |
| November 2025 | 63 | 63 | 76.2% | 0 |
| December 2025 | 31 | 31 | 64.5% | 0 |
| January 2026 | 45 | 45 | 86.7% | 0 |
| February 2026 | 59 | 59 | 83.1% | 0 |
| March 2026 | 47 | 47 | 76.6% | 0 |
| April 2026 | 23 | 23 | 78.3% | 0 |
| May 2026 | 18 | 18 | 94.4% | 0 |
| June 2026 | 92 | 92 | 68.5% | 0 |
| July 2026 | 104 | 104 | 64.4% | 0 |