| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 21 | PHL | STL | 06:30 | 07:36 |
Landed
|
Track > |
| Sep 20 | PHL | STL | 06:37 | 07:29 |
Landed
|
Track > |
| Sep 18 | PHL | STL | 06:52 | 07:40 |
Landed
|
Track > |
| Sep 17 | PHL | STL | 06:31 | 07:19 |
Landed
|
Track > |
| Sep 14 | PHL | STL | 06:24 | 07:24 |
Landed
|
Track > |
| Sep 13 | PHL | STL | 06:28 | 07:30 |
Landed
|
Track > |
| Sep 11 | PHL | STL | 06:32 | 07:35 |
Landed
|
Track > |
| Sep 10 | PHL | STL | 06:27 | 07:25 |
Landed
|
Track > |
| Sep 07 | PHL | STL | 06:32 | 07:22 |
Landed
|
Track > |
| Sep 06 | PHL | STL | 08:27 | 09:19 |
Landed
|
Track > |
Southwest Airlines Flight WN3665 connects Philadelphia, United States to St. Louis, United States, taking off from Philadelphia International Airport PHL and landing at St. Louis Lambert International Airport STL.
How long is the WN3665 flight from Philadelphia to St. Louis?
The average flight time from Philadelphia to St. Louis is 1 hour and 55 minutes. The flight distance is 1306 km / 811 miles and the average flight speed is 678 km/h / 421 mph.
How many WN3665 flights are operated per week?
4 flights per week. The flight WN3665 is operated on Monday, Thursday, Friday and Sunday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3665 Philadelphia to St. Louis?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3665 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN3665 arriving at?
Flight WN3665 arrives at St. Louis Lambert International Airport (STL) Terminal 2.
When was the latest WN3665 flight?
The latest flight took off on Monday, September 21st, 2026 with the flight status being Landed on 07:36.
How else can the flight WN3665 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3665, WN 3665, SWA 3665.
How often is flight WN3665 delayed?
On average, 20% of all WN3665 flights are delayed. The average delay is 3 minutes.
Can I get compensation for my delayed or cancelled WN3665 flight or baggage issues?
If your WN3665 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our WN3665 Flight Tracker above for more details.
Other flights departing from Philadelphia PHL: DL1540, UA584, F91577, F91016
Other flights arriving at St. Louis STL: WN2151, WN3357, WN2164, WN2648
All flights connecting Philadelphia PHL to St. Louis STL.