| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 03 | STL | BOS | 10:24 | 13:45 |
Landed
|
Track > |
| Jun 02 | STL | BOS | 10:24 | 14:08 |
Landed Late
|
Track > |
| Jun 01 | STL | BOS | 11:47 | 14:59 |
Delayed
|
Track > |
| May 31 | STL | BOS | 10:27 | 13:47 |
Landed
|
Track > |
| May 29 | STL | BOS | 10:27 | 13:44 |
Landed
|
Track > |
| May 28 | STL | BOS | 10:29 | 13:42 |
Landed
|
Track > |
| May 27 | STL | BOS | 10:30 | 13:42 |
Landed
|
Track > |
| May 26 | STL | BOS | 10:26 | 13:29 |
Landed
|
Track > |
| May 25 | STL | BOS | 10:24 | 13:29 |
Landed
|
Track > |
| May 22 | STL | BOS | 10:40 | 13:47 |
Landed
|
Track > |
Southwest Airlines Flight WN3948 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 WN3948 flight from St. Louis to Boston?
The average flight time from St. Louis to Boston is 2 hours and 15 minutes. The flight distance is 1680 km / 1044 miles and the average flight speed is 749 km/h / 466 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3948 St. Louis to Boston?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3948 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN3948 arriving at?
Flight WN3948 arrives at Boston Logan International Airport (BOS) Terminal B.
When was the latest WN3948 flight?
The latest flight took off on Wednesday, June 3rd, 2026 with the flight status being Landed on 13:45.
How else can the flight WN3948 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3948, WN 3948, SWA 3948.
How often is flight WN3948 delayed?
On average, 20% of all WN3948 flights are delayed. The average delay is 43 minutes.
Can I get compensation for my delayed or cancelled WN3948 flight or baggage issues?
If your WN3948 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 WN3948 Flight Tracker above for more details.
Other flights departing from St. Louis STL: WN1659, WN2311, WN4427, WN757
Other flights arriving at Boston BOS: B6478, DL1475, DL2560, WN541
All flights connecting St. Louis STL to Boston BOS.