WN2257
WN2257 (Southwest Airlines) is a multi-stop service on 31 routes, busiest Buffalo to Baltimore. Of 677 departures recorded from October 2024 to July 2026, 78.6% left on time, according to the US BTS.
- On-time departures78.6%of 677 flights
- Average delay10.4 min
- July 20264▼ 85.7%vs July 2025
- Cancelled0.6%
- Legs flown under this number31
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 | 39 | 32 | ▼ 17.9% |
| February | 18 | 28 | ▲ 55.6% |
| March | 30 | 31 | ▲ 3.3% |
| April | 47 | 48 | ▲ 2.1% |
| May | 51 | 54 | ▲ 5.9% |
| June | 29 | 10 | ▼ 65.5% |
| July | 28 | 4 | ▼ 85.7% |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 35 | – | in progress |
| November | 36 | – | – |
| December | 37 | – | – |
| Year to date (Jan–Jul) | 242 | 207 | ▼ 14.5% |
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 | 78.4% | 78.1% | ▼ 0.3% |
| February | 77.8% | 67.9% | ▼ 12.8% |
| March | 90.0% | 87.1% | ▼ 3.2% |
| April | 85.1% | 75.0% | ▼ 11.9% |
| May | 72.6% | 70.4% | ▼ 3.0% |
| June | 72.4% | 70.0% | ▼ 3.3% |
| July | 89.3% | 75.0% | ▼ 16.0% |
| August | 93.3% | – | – |
| September | 96.7% | – | – |
| October | 74.3% | – | in progress |
| November | 67.7% | – | – |
| December | 75.7% | – | – |
| Year-to-date average (Jan–Jul) | 80.8% | 74.8% | ▼ 7.4% |
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 | 2 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 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 99.4% 673
- Cancelled 0.6% 4
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 25, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| HNL LAS Daniel K. Inouye International Airport – Harry Reid International Airport | 4,441 | 0.8 min | 93.1% | 58 |
| DEN SLC Denver International Airport – Salt Lake City International Airport | 628 | 14.1 min | 74.1% | 58 |
| BUF BWI Buffalo Niagara International Airport – Baltimore/Washington International Thurgood Marshall Airport | 453 | -2.3 min | 98.3% | 58 |
| AUS SAN Austin Bergstrom International Airport – San Diego International Airport | 1,871 | 17.6 min | 73.2% | 56 |
| DAL BNA Dallas Love Field – Nashville International Airport | 1,000 | 13.6 min | 71.1% | 45 |
| SMF LGB Sacramento International Airport – Long Beach International Airport | 624 | 3.9 min | 90.7% | 43 |
| DEN LAS Denver International Airport – Harry Reid International Airport | 1,009 | 2.6 min | 87.9% | 33 |
| DAL MCO Dallas Love Field – Orlando International Airport | 1,564 | 17.1 min | 71.0% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 20 | 20 | 80.0% | 0 |
| December 2024 | 20 | 20 | 60.0% | 0 |
| January 2025 | 39 | 37 | 78.4% | 2 |
| February 2025 | 18 | 18 | 77.8% | 0 |
| March 2025 | 30 | 30 | 90.0% | 0 |
| April 2025 | 47 | 47 | 85.1% | 0 |
| May 2025 | 51 | 51 | 72.6% | 0 |
| June 2025 | 29 | 29 | 72.4% | 0 |
| July 2025 | 28 | 28 | 89.3% | 0 |
| August 2025 | 30 | 30 | 93.3% | 0 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 35 | 35 | 74.3% | 0 |
| November 2025 | 36 | 34 | 67.7% | 2 |
| December 2025 | 37 | 37 | 75.7% | 0 |
| January 2026 | 32 | 32 | 78.1% | 0 |
| February 2026 | 28 | 28 | 67.9% | 0 |
| March 2026 | 31 | 31 | 87.1% | 0 |
| April 2026 | 48 | 48 | 75.0% | 0 |
| May 2026 | 54 | 54 | 70.4% | 0 |
| June 2026 | 10 | 10 | 70.0% | 0 |
| July 2026 | 4 | 4 | 75.0% | 0 |