| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 19 | STL | BOS | 10:55 | 14:06 |
Landed Late
|
Track > |
| Jul 17 | STL | BOS | 10:07 | 13:22 |
Landed
|
Track > |
| Jul 16 | STL | BOS | 10:09 | 13:19 |
Landed
|
Track > |
| Jul 15 | STL | BOS | 10:28 | 13:37 |
Landed
|
Track > |
| Jul 14 | STL | BOS | 10:34 | 13:55 |
Landed
|
Track > |
| Jul 13 | STL | BOS | 10:08 | 13:29 |
Landed
|
Track > |
| Jul 12 | STL | BOS | 10:26 | 13:45 |
Landed
|
Track > |
| Jul 10 | STL | BOS | 10:13 | 13:20 |
Landed
|
Track > |
| Jul 09 | STL | BOS | 10:07 | 13:19 |
Landed
|
Track > |
| Jul 08 | STL | BOS | 10:31 | 13:47 |
Landed
|
Track > |
Southwest Airlines Flight WN3891 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 WN3891 flight from St. Louis to Boston?
The average flight time from St. Louis to Boston is 2 hours and 14 minutes. The flight distance is 1680 km / 1044 miles and the average flight speed is 753 km/h / 468 mph.
How many WN3891 flights are operated per week?
5 flights per week. The flight WN3891 is operated on Tuesday, Wednesday, Thursday, Friday and Sunday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3891 St. Louis to Boston?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3891 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN3891 arriving at?
Flight WN3891 arrives at Boston Logan International Airport (BOS) Terminal B.
When was the latest WN3891 flight?
The latest flight took off on Sunday, July 19th, 2026 with the flight status being Landed on 14:06.
How else can the flight WN3891 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3891, WN 3891, SWA 3891.
How often is flight WN3891 delayed?
On average, 20% of all WN3891 flights are delayed. The average delay is 10 minutes.
Can I get compensation for my delayed or cancelled WN3891 flight or baggage issues?
If your WN3891 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 WN3891 Flight Tracker above for more details.
Other flights departing from St. Louis STL: WN270, WN1507, WN4940, WN4938
Other flights arriving at Boston BOS: DL2655, AA4375, 9K3161, 4B863
All flights connecting St. Louis STL to Boston BOS.