| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 01 | STL | BOS | 13:05 | 16:21 |
Landed
|
Track > |
| Sep 30 | STL | BOS | 12:41 | 15:53 |
Landed
|
Track > |
| Sep 29 | STL | BOS | 08:09 | 11:23 |
Landed
|
Track > |
| Sep 28 | STL | BOS | 08:18 | 11:34 |
Landed
|
Track > |
| Sep 27 | STL | BOS | 11:01 | 14:19 |
Landed
|
Track > |
| Sep 26 | STL | BOS | 08:01 | 11:15 |
Landed
|
Track > |
| Sep 25 | STL | BOS | 08:54 | 11:57 |
Landed Late
|
Track > |
| Sep 24 | STL | BOS | 16:10 | 16:10 |
En-Route
|
Track > |
| Sep 23 | STL | BOS | 13:04 | 16:11 |
Landed
|
Track > |
| Sep 22 | STL | BOS | 08:02 | 11:09 |
Landed
|
Track > |
Southwest Airlines Flight WN3812 connects St. Louis, United States to Boston, United States, taking off from St. Louis Lambert International Airport STL and landing at Boston Logan International Airport BOS.
How long is the WN3812 flight from St. Louis to Boston?
The average flight time from St. Louis to Boston is 2 hours and 11 minutes. The flight distance is 1680 km / 1044 miles and the average flight speed is 754 km/h / 469 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3812 St. Louis to Boston?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3812 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN3812 arriving at?
Flight WN3812 arrives at Boston Logan International Airport (BOS) Terminal B.
When was the latest WN3812 flight?
The latest flight took off on Wednesday, October 1st, 2025 with the flight status being Landed on 16:21.
How else can the flight WN3812 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3812, WN 3812, SWA 3812.
How often is flight WN3812 delayed?
On average, 30% of all WN3812 flights are delayed. The average delay is 13 minutes.
Can I get compensation for my delayed or cancelled WN3812 flight or baggage issues?
If your WN3812 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 WN3812 Flight Tracker above for more details.
Other flights departing from St. Louis STL: DL1564, AA3944, WN2472, WN1090
Other flights arriving at Boston BOS: WN3704, WN363, WN3544, AA4625
All flights connecting St. Louis STL to Boston BOS.
