WN1585
WN1585 (Southwest Airlines) is a multi-stop service on 33 routes, busiest Baltimore to Hartford. Of 661 departures recorded from October 2024 to July 2026, 78.0% left on time, according to the US BTS.
- On-time departures78.0%of 661 flights
- Average delay11.6 min
- July 202625▼ 16.7%vs July 2025
- Cancelled1.2%
- Legs flown under this number33
according to the US BTS · Oct 12, 2024 → Jul 29, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 43 | 36 | ▼ 16.3% |
| February | 41 | 13 | ▼ 68.3% |
| March | 39 | 43 | ▲ 10.3% |
| April | 35 | 33 | ▼ 5.7% |
| May | 37 | 31 | ▼ 16.2% |
| June | 30 | 26 | ▼ 13.3% |
| July | 30 | 25 | ▼ 16.7% |
| August | 27 | – | – |
| September | 26 | – | – |
| October | 23 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 255 | 207 | ▼ 18.8% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 58.5% | 100.0% | ▲ 70.8% |
| February | 82.9% | 92.3% | ▲ 11.3% |
| March | 74.4% | 50.0% | ▼ 32.8% |
| April | 71.4% | 90.9% | ▲ 27.3% |
| May | 63.9% | 90.3% | ▲ 41.4% |
| June | 63.3% | 69.2% | ▲ 9.3% |
| July | 62.1% | 68.0% | ▲ 9.6% |
| August | 85.2% | – | – |
| September | 100.0% | – | – |
| October | 73.9% | – | in progress |
| November | 96.7% | – | – |
| December | 100.0% | – | – |
| Year-to-date average (Jan–Jul) | 68.1% | 80.1% | ▲ 17.7% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 2 | 0.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 3 | ▼ 25.0% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 98.8% 653
- Cancelled 1.2% 8
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BWI BDL Baltimore/Washington International Thurgood Marshall Airport – Bradley International Airport | 455 | 19.9 min | 64.7% | 69 |
| HNL OGG Daniel K. Inouye International Airport – Kahului International Airport | 162 | -4.8 min | 100.0% | 64 |
| MDW SDF Chicago Midway International Airport – Louisville Muhammad Ali International Airport | 437 | 17.1 min | 65.5% | 58 |
| BOI LAS Boise Air Terminal/Gowen Field – Harry Reid International Airport | 837 | 3.6 min | 93.1% | 58 |
| DEN BNA Denver International Airport – Nashville International Airport | 1,628 | -1.6 min | 98.0% | 50 |
| MCO DAL Orlando International Airport – Dallas Love Field | 1,564 | 19.4 min | 65.0% | 41 |
| MDW SLC Chicago Midway International Airport – Salt Lake City International Airport | 2,021 | 21.2 min | 69.7% | 33 |
| DCA DAL Ronald Reagan Washington National Airport – Dallas Love Field | 1,902 | -3.2 min | 96.6% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 100.0% | 0 |
| November 2024 | 30 | 30 | 83.3% | 0 |
| December 2024 | 16 | 15 | 66.7% | 1 |
| January 2025 | 43 | 41 | 58.5% | 2 |
| February 2025 | 41 | 41 | 82.9% | 0 |
| March 2025 | 39 | 39 | 74.4% | 0 |
| April 2025 | 35 | 35 | 71.4% | 0 |
| May 2025 | 37 | 36 | 63.9% | 1 |
| June 2025 | 30 | 30 | 63.3% | 0 |
| July 2025 | 30 | 29 | 62.1% | 1 |
| August 2025 | 27 | 27 | 85.2% | 0 |
| September 2025 | 26 | 26 | 100.0% | 0 |
| October 2025 | 23 | 23 | 73.9% | 0 |
| November 2025 | 30 | 30 | 96.7% | 0 |
| December 2025 | 31 | 31 | 100.0% | 0 |
| January 2026 | 36 | 34 | 100.0% | 2 |
| February 2026 | 13 | 13 | 92.3% | 0 |
| March 2026 | 43 | 42 | 50.0% | 1 |
| April 2026 | 33 | 33 | 90.9% | 0 |
| May 2026 | 31 | 31 | 90.3% | 0 |
| June 2026 | 26 | 26 | 69.2% | 0 |
| July 2026 | 25 | 25 | 68.0% | 0 |