| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 03 | STL | BOS | 12:53 | 16:07 |
Delayed
|
Track > |
| Aug 02 | STL | BOS | 10:26 | 13:38 |
Landed
|
Track > |
| Jul 31 | STL | BOS | 10:22 | 13:38 |
Landed
|
Track > |
| Jul 30 | STL | BOS | 10:18 | 13:40 |
Landed
|
Track > |
| Jul 29 | STL | BOS | 10:56 | 14:16 |
Landed Late
|
Track > |
| Jul 28 | STL | BOS | 10:49 | 14:17 |
Landed Late
|
Track > |
| Jul 27 | STL | BOS | 10:03 | 13:21 |
Landed
|
Track > |
| Jul 26 | STL | BOS | 10:30 | 13:49 |
Landed
|
Track > |
| Jul 24 | STL | BOS | 10:19 | 13:32 |
Landed
|
Track > |
| Jul 23 | STL | BOS | 10:04 | 13:25 |
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 18 minutes. The flight distance is 1680 km / 1044 miles and the average flight speed is 730 km/h / 453 mph.
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 4.6/5 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 Monday, August 3rd, 2026 with the flight status being En-Route on 16:07.
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, 60% of all WN3891 flights are delayed. The average delay is 38 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: WN297, WN3902, WN4940, WN4938
Other flights arriving at Boston BOS: MQ3814, AA1611, WN4560, DL5761
All flights connecting St. Louis STL to Boston BOS.