WN1687
WN1687 (Southwest Airlines) is a multi-stop service on 34 routes, busiest New York to Houston. Of 683 departures recorded from October 2024 to July 2026, 77.8% left on time, according to the US BTS.
- On-time departures77.8%of 683 flights
- Average delay13.8 min
- July 202610▼ 63.0%vs July 2025
- Cancelled0.6%
- Legs flown under this number34
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 | 29 | 14 | ▼ 51.7% |
| February | 28 | 16 | ▼ 42.9% |
| March | 32 | 64 | ▲ 100.0% |
| April | 38 | 38 | 0.0% |
| May | 39 | 30 | ▼ 23.1% |
| June | 28 | 10 | ▼ 64.3% |
| July | 27 | 10 | ▼ 63.0% |
| August | 45 | – | – |
| September | 47 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 221 | 182 | ▼ 17.6% |
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 | 82.1% | 64.3% | ▼ 21.7% |
| February | 85.7% | 93.8% | ▲ 9.4% |
| March | 87.5% | 60.9% | ▼ 30.4% |
| April | 92.1% | 64.9% | ▼ 29.6% |
| May | 89.7% | 27.6% | ▼ 69.3% |
| June | 81.5% | 70.0% | ▼ 14.1% |
| July | 85.2% | 70.0% | ▼ 17.8% |
| August | 93.3% | – | – |
| September | 89.4% | – | – |
| October | 77.4% | – | in progress |
| November | 50.0% | – | – |
| December | 71.0% | – | – |
| Year-to-date average (Jan–Jul) | 86.3% | 64.5% | ▼ 25.2% |
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 | 1 | – |
| May | 0 | 1 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 2 | 0.0% |
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% 679
- Cancelled 0.6% 4
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
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LGA HOU LaGuardia Airport – William P. Hobby Airport | 2,295 | 4.3 min | 80.8% | 74 |
| MCO HOU Orlando International Airport – William P. Hobby Airport | 1,364 | 9.2 min | 82.4% | 52 |
| SFO PHX San Francisco International Airport – Phoenix Sky Harbor International Airport | 1,047 | 50.3 min | 47.6% | 42 |
| DAL SJC Dallas Love Field – Mineta San Jose International Airport | 2,329 | 30.5 min | 27.5% | 42 |
| DAL DEN Dallas Love Field – Denver International Airport | 1,048 | 11.6 min | 88.1% | 42 |
| BWI PVD Baltimore/Washington International Thurgood Marshall Airport – Rhode Island T. F. Green International Airport | 526 | -1.5 min | 97.6% | 42 |
| DAL BHM Dallas Love Field – Birmingham-Shuttlesworth International Airport | 942 | 10.0 min | 88.2% | 34 |
| AUS DEN Austin Bergstrom International Airport – Denver International Airport | 1,249 | 14.2 min | 81.8% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 42 | 42 | 97.6% | 0 |
| December 2024 | 34 | 34 | 76.5% | 0 |
| January 2025 | 29 | 28 | 82.1% | 1 |
| February 2025 | 28 | 28 | 85.7% | 0 |
| March 2025 | 32 | 32 | 87.5% | 0 |
| April 2025 | 38 | 38 | 92.1% | 0 |
| May 2025 | 39 | 39 | 89.7% | 0 |
| June 2025 | 28 | 27 | 81.5% | 1 |
| July 2025 | 27 | 27 | 85.2% | 0 |
| August 2025 | 45 | 45 | 93.3% | 0 |
| September 2025 | 47 | 47 | 89.4% | 0 |
| October 2025 | 31 | 31 | 77.4% | 0 |
| November 2025 | 30 | 30 | 50.0% | 0 |
| December 2025 | 31 | 31 | 71.0% | 0 |
| January 2026 | 14 | 14 | 64.3% | 0 |
| February 2026 | 16 | 16 | 93.8% | 0 |
| March 2026 | 64 | 64 | 60.9% | 0 |
| April 2026 | 38 | 37 | 64.9% | 1 |
| May 2026 | 30 | 29 | 27.6% | 1 |
| June 2026 | 10 | 10 | 70.0% | 0 |
| July 2026 | 10 | 10 | 70.0% | 0 |