WN635
WN635 (Southwest Airlines) is a multi-stop service on 31 routes, busiest Orlando to Manchester. Of 683 departures recorded from October 2024 to July 2026, 74.9% left on time, according to the US BTS.
- On-time departures74.9%of 683 flights
- Average delay14.5 min
- July 202628▼ 40.4%vs July 2025
- Cancelled0.3%
- 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 | 31 | 32 | ▲ 3.2% |
| February | 28 | 25 | ▼ 10.7% |
| March | 35 | 23 | ▼ 34.3% |
| April | 31 | 28 | ▼ 9.7% |
| May | 31 | 31 | 0.0% |
| June | 46 | 26 | ▼ 43.5% |
| July | 47 | 28 | ▼ 40.4% |
| August | 25 | – | – |
| September | 21 | – | – |
| October | 42 | – | in progress |
| November | 43 | – | – |
| December | 35 | – | – |
| Year to date (Jan–Jul) | 249 | 193 | ▼ 22.5% |
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 | 90.3% | 87.1% | ▼ 3.6% |
| February | 82.1% | 68.0% | ▼ 17.2% |
| March | 71.4% | 78.3% | ▲ 9.6% |
| April | 74.2% | 92.9% | ▲ 25.2% |
| May | 70.0% | 93.6% | ▲ 33.6% |
| June | 39.1% | 80.8% | ▲ 106.4% |
| July | 38.3% | 82.1% | ▲ 114.5% |
| August | 72.0% | – | – |
| September | 95.2% | – | – |
| October | 66.7% | – | in progress |
| November | 62.8% | – | – |
| December | 85.7% | – | – |
| Year-to-date average (Jan–Jul) | 66.5% | 83.2% | ▲ 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 | 0 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 1 | 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 99.7% 681
- Cancelled 0.3% 2
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 |
|---|---|---|---|---|
| MCO MHT Orlando International Airport – Manchester-Boston Regional Airport | 1,840 | 3.2 min | 88.4% | 121 |
| STL PHL St. Louis Lambert International Airport – Philadelphia International Airport | 1,306 | 13.0 min | 75.4% | 58 |
| BNA FLL Nashville International Airport – Fort Lauderdale Hollywood International Airport | 1,278 | -0.1 min | 94.8% | 58 |
| BNA SAN Nashville International Airport – San Diego International Airport | 2,812 | 11.2 min | 77.8% | 55 |
| SLC PHX Salt Lake City International Airport – Phoenix Sky Harbor International Airport | 818 | 6.0 min | 86.7% | 45 |
| HOU OKC William P. Hobby Airport – OKC Will Rogers World Airport | 675 | 33.0 min | 48.8% | 43 |
| PWM BNA Portland International Jetport – Nashville International Airport | 1,624 | 5.7 min | 87.5% | 40 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 100.0% | 0 |
| November 2024 | 31 | 31 | 100.0% | 0 |
| December 2024 | 30 | 30 | 83.3% | 0 |
| January 2025 | 31 | 31 | 90.3% | 0 |
| February 2025 | 28 | 28 | 82.1% | 0 |
| March 2025 | 35 | 35 | 71.4% | 0 |
| April 2025 | 31 | 31 | 74.2% | 0 |
| May 2025 | 31 | 30 | 70.0% | 1 |
| June 2025 | 46 | 46 | 39.1% | 0 |
| July 2025 | 47 | 47 | 38.3% | 0 |
| August 2025 | 25 | 25 | 72.0% | 0 |
| September 2025 | 21 | 21 | 95.2% | 0 |
| October 2025 | 42 | 42 | 66.7% | 0 |
| November 2025 | 43 | 43 | 62.8% | 0 |
| December 2025 | 35 | 35 | 85.7% | 0 |
| January 2026 | 32 | 31 | 87.1% | 1 |
| February 2026 | 25 | 25 | 68.0% | 0 |
| March 2026 | 23 | 23 | 78.3% | 0 |
| April 2026 | 28 | 28 | 92.9% | 0 |
| May 2026 | 31 | 31 | 93.6% | 0 |
| June 2026 | 26 | 26 | 80.8% | 0 |
| July 2026 | 28 | 28 | 82.1% | 0 |