WN1787
WN1787 (Southwest Airlines) is a multi-stop service on 31 routes, busiest Jacksonville to Baltimore. Of 625 departures recorded from October 2024 to July 2026, 79.4% left on time, according to the US BTS.
- On-time departures79.4%of 625 flights
- Average delay10.7 min
- July 202631▲ 0.0%vs July 2025
- Cancelled0.5%
- 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 | 33 | 32 | ▼ 3.0% |
| February | 32 | 24 | ▼ 25.0% |
| March | 25 | 30 | ▲ 20.0% |
| April | 19 | 30 | ▲ 57.9% |
| May | 17 | 30 | ▲ 76.5% |
| June | 29 | 30 | ▲ 3.4% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 22 | – | in progress |
| November | 50 | – | – |
| December | 49 | – | – |
| Year to date (Jan–Jul) | 186 | 207 | ▲ 11.3% |
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 | 75.0% | 93.8% | ▲ 25.0% |
| February | 71.9% | 100.0% | ▲ 39.1% |
| March | 84.0% | 86.7% | ▲ 3.2% |
| April | 73.7% | 66.7% | ▼ 9.5% |
| May | 70.6% | 26.7% | ▼ 62.2% |
| June | 89.7% | 89.7% | 0.0% |
| July | 100.0% | 96.7% | ▼ 3.3% |
| August | 67.7% | – | – |
| September | 73.3% | – | – |
| October | 72.7% | – | in progress |
| November | 82.0% | – | – |
| December | 79.6% | – | – |
| Year-to-date average (Jan–Jul) | 80.7% | 80.0% | ▼ 0.8% |
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 | 1 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 2 | ▲ 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 99.5% 622
- Cancelled 0.5% 3
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| JAX BWI Jacksonville International Airport – Baltimore/Washington International Thurgood Marshall Airport | 1,068 | 3.7 min | 93.4% | 61 |
| FLL MDW Fort Lauderdale Hollywood International Airport – Chicago Midway International Airport | 1,881 | 15.4 min | 72.4% | 58 |
| ECP DAL Northwest Florida Beaches International Airport – Dallas Love Field | 1,082 | -4.4 min | 96.4% | 57 |
| DEN BHM Denver International Airport – Birmingham-Shuttlesworth International Airport | 1,740 | 32.8 min | 38.8% | 49 |
| TUS LAX Tucson International Airport – Los Angeles International Airport | 725 | 6.2 min | 82.2% | 45 |
| LGB PHX Long Beach International Airport – Phoenix Sky Harbor International Airport | 570 | -3.6 min | 95.5% | 44 |
| STL MIA St. Louis Lambert International Airport – Miami International Airport | 1,722 | 33.2 min | 70.6% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 32 | 32 | 81.3% | 0 |
| November 2024 | 8 | 8 | 87.5% | 0 |
| December 2024 | 10 | 10 | 80.0% | 0 |
| January 2025 | 33 | 32 | 75.0% | 1 |
| February 2025 | 32 | 32 | 71.9% | 0 |
| March 2025 | 25 | 25 | 84.0% | 0 |
| April 2025 | 19 | 19 | 73.7% | 0 |
| May 2025 | 17 | 17 | 70.6% | 0 |
| June 2025 | 29 | 29 | 89.7% | 0 |
| July 2025 | 31 | 31 | 100.0% | 0 |
| August 2025 | 31 | 31 | 67.7% | 0 |
| September 2025 | 30 | 30 | 73.3% | 0 |
| October 2025 | 22 | 22 | 72.7% | 0 |
| November 2025 | 50 | 50 | 82.0% | 0 |
| December 2025 | 49 | 49 | 79.6% | 0 |
| January 2026 | 32 | 32 | 93.8% | 0 |
| February 2026 | 24 | 24 | 100.0% | 0 |
| March 2026 | 30 | 30 | 86.7% | 0 |
| April 2026 | 30 | 30 | 66.7% | 0 |
| May 2026 | 30 | 30 | 26.7% | 0 |
| June 2026 | 30 | 29 | 89.7% | 1 |
| July 2026 | 31 | 30 | 96.7% | 1 |