WN3638
WN3638 (Southwest Airlines) is a multi-stop service on 28 routes, busiest Orlando to Pittsburgh. Of 480 departures recorded from October 2024 to July 2026, 63.2% left on time, according to the US BTS.
- On-time departures63.2%of 480 flights
- Average delay21.7 min
- July 202627▼ 15.6%vs July 2025
- Cancelled1.0%
- Legs flown under this number28
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 8 | 9 | ▲ 12.5% |
| February | 15 | 4 | ▼ 73.3% |
| March | 22 | 30 | ▲ 36.4% |
| April | 5 | 37 | ▲ 640.0% |
| May | – | 40 | – |
| June | 26 | 26 | 0.0% |
| July | 32 | 27 | ▼ 15.6% |
| August | 27 | – | – |
| September | 25 | – | – |
| October | 42 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 75.0% | 44.4% | ▼ 40.7% |
| February | 60.0% | 75.0% | ▲ 25.0% |
| March | 72.7% | 96.7% | ▲ 32.9% |
| April | 80.0% | 78.4% | ▼ 2.0% |
| May | – | 56.4% | – |
| June | 76.0% | 12.0% | ▼ 84.2% |
| July | 80.0% | 33.3% | ▼ 58.3% |
| August | 51.9% | – | – |
| September | 44.0% | – | – |
| October | 73.8% | – | in progress |
| November | 66.7% | – | – |
| December | 51.6% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | – | 1 | – |
| June | 1 | 1 | 0.0% |
| July | 2 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 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 99.0% 475
- Cancelled 1.0% 5
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 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 |
|---|---|---|---|---|
| MCO PIT Orlando International Airport – Pittsburgh International Airport | 1,345 | 30.2 min | 56.3% | 64 |
| MCI LGA Kansas City International Airport – LaGuardia Airport | 1,778 | 17.1 min | 75.9% | 61 |
| DAL LGA Dallas Love Field – LaGuardia Airport | 2,219 | 24.6 min | 54.4% | 58 |
| SFO BUR San Francisco International Airport – Hollywood Burbank/Bob Hope Airport | 525 | 44.2 min | 20.4% | 50 |
| STL HOU St. Louis Lambert International Airport – William P. Hobby Airport | 1,108 | 34.2 min | 41.0% | 39 |
| MDW BUF Chicago Midway International Airport – Buffalo Niagara International Airport | 752 | 15.8 min | 74.2% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 87.5% | 0 |
| November 2024 | 16 | 16 | 62.5% | 0 |
| December 2024 | 12 | 12 | 58.3% | 0 |
| January 2025 | 8 | 8 | 75.0% | 0 |
| February 2025 | 15 | 15 | 60.0% | 0 |
| March 2025 | 22 | 22 | 72.7% | 0 |
| April 2025 | 5 | 5 | 80.0% | 0 |
| June 2025 | 26 | 25 | 76.0% | 1 |
| July 2025 | 32 | 30 | 80.0% | 2 |
| August 2025 | 27 | 27 | 51.9% | 0 |
| September 2025 | 25 | 25 | 44.0% | 0 |
| October 2025 | 42 | 42 | 73.8% | 0 |
| November 2025 | 30 | 30 | 66.7% | 0 |
| December 2025 | 31 | 31 | 51.6% | 0 |
| January 2026 | 9 | 9 | 44.4% | 0 |
| February 2026 | 4 | 4 | 75.0% | 0 |
| March 2026 | 30 | 30 | 96.7% | 0 |
| April 2026 | 37 | 37 | 78.4% | 0 |
| May 2026 | 40 | 39 | 56.4% | 1 |
| June 2026 | 26 | 25 | 12.0% | 1 |
| July 2026 | 27 | 27 | 33.3% | 0 |