WN1456
WN1456 (Southwest Airlines) is a multi-stop service on 41 routes, busiest Baltimore to San Antonio. Of 636 departures recorded from October 2024 to July 2026, 76.7% left on time, according to the US BTS.
- On-time departures76.7%of 636 flights
- Average delay10.7 min
- July 202611▼ 76.6%vs July 2025
- Cancelled0.6%
- Legs flown under this number41
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 | 27 | 20 | ▼ 25.9% |
| February | 26 | 18 | ▼ 30.8% |
| March | 19 | 33 | ▲ 73.7% |
| April | 27 | 18 | ▼ 33.3% |
| May | 32 | 13 | ▼ 59.4% |
| June | 46 | 14 | ▼ 69.6% |
| July | 47 | 11 | ▼ 76.6% |
| August | 34 | – | – |
| September | 30 | – | – |
| October | 30 | – | in progress |
| November | 54 | – | – |
| December | 73 | – | – |
| Year to date (Jan–Jul) | 224 | 127 | ▼ 43.3% |
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 | 88.5% | 75.0% | ▼ 15.2% |
| February | 80.8% | 66.7% | ▼ 17.5% |
| March | 84.2% | 84.9% | ▲ 0.8% |
| April | 88.9% | 88.9% | 0.0% |
| May | 87.5% | 69.2% | ▼ 20.9% |
| June | 71.7% | 64.3% | ▼ 10.4% |
| July | 65.2% | 30.0% | ▼ 54.0% |
| August | 84.9% | – | – |
| September | 80.0% | – | – |
| October | 83.3% | – | in progress |
| November | 63.0% | – | – |
| December | 69.9% | – | – |
| Year-to-date average (Jan–Jul) | 81.0% | 68.4% | ▼ 15.5% |
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 | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 1 | 0.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| 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 99.4% 632
- Cancelled 0.6% 4
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 26, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PHX LGB Phoenix Sky Harbor International Airport – Long Beach International Airport | 570 | 5.4 min | 87.9% | 58 |
| BWI SAT Baltimore/Washington International Thurgood Marshall Airport – San Antonio International Airport | 2,262 | 5.1 min | 84.2% | 58 |
| BUR AUS Hollywood Burbank/Bob Hope Airport – Austin Bergstrom International Airport | 1,994 | 4.0 min | 87.0% | 47 |
| LAX OAK Los Angeles International Airport – Oakland San Francisco Bay Airport | 543 | 18.7 min | 69.1% | 42 |
| SAN PHX San Diego International Airport – Phoenix Sky Harbor International Airport | 489 | 11.5 min | 73.5% | 35 |
| BWI CLE Baltimore/Washington International Thurgood Marshall Airport – Cleveland Hopkins International Airport | 505 | 5.6 min | 84.9% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 10 | 10 | 100.0% | 0 |
| November 2024 | 27 | 27 | 81.5% | 0 |
| December 2024 | 27 | 27 | 88.9% | 0 |
| January 2025 | 27 | 26 | 88.5% | 1 |
| February 2025 | 26 | 26 | 80.8% | 0 |
| March 2025 | 19 | 19 | 84.2% | 0 |
| April 2025 | 27 | 27 | 88.9% | 0 |
| May 2025 | 32 | 32 | 87.5% | 0 |
| June 2025 | 46 | 46 | 71.7% | 0 |
| July 2025 | 47 | 46 | 65.2% | 1 |
| August 2025 | 34 | 33 | 84.9% | 1 |
| September 2025 | 30 | 30 | 80.0% | 0 |
| October 2025 | 30 | 30 | 83.3% | 0 |
| November 2025 | 54 | 54 | 63.0% | 0 |
| December 2025 | 73 | 73 | 69.9% | 0 |
| January 2026 | 20 | 20 | 75.0% | 0 |
| February 2026 | 18 | 18 | 66.7% | 0 |
| March 2026 | 33 | 33 | 84.9% | 0 |
| April 2026 | 18 | 18 | 88.9% | 0 |
| May 2026 | 13 | 13 | 69.2% | 0 |
| June 2026 | 14 | 14 | 64.3% | 0 |
| July 2026 | 11 | 10 | 30.0% | 1 |