| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Apr 06 | STL | BOS | 13:47 | 16:56 |
Landed
|
Track > |
| Apr 05 | STL | BOS | 10:31 | 13:30 |
Landed
|
Track > |
| Apr 04 | STL | BOS | 10:24 | 13:33 |
Landed
|
Track > |
| Apr 03 | STL | BOS | 13:30 | 16:48 |
Landed
|
Track > |
| Apr 02 | STL | BOS | 13:40 | 16:54 |
Landed
|
Track > |
| Mar 30 | STL | BOS | 13:44 | 16:57 |
Landed
|
Track > |
| Mar 29 | STL | BOS | 10:29 | 13:38 |
Landed
|
Track > |
| Mar 28 | STL | BOS | 10:17 | 13:25 |
Landed
|
Track > |
| Mar 27 | STL | BOS | 13:49 | 16:49 |
Landed
|
Track > |
| Mar 26 | STL | BOS | 13:45 | 16:51 |
Landed
|
Track > |
Southwest Airlines Flight WN4277 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 WN4277 flight from St. Louis to Boston?
The average flight time from St. Louis to Boston is 2 hours and 8 minutes. The flight distance is 1680 km / 1044 miles and the average flight speed is 786 km/h / 488 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4277 St. Louis to Boston?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4277 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN4277 arriving at?
Flight WN4277 arrives at Boston Logan International Airport (BOS) Terminal B.
When was the latest WN4277 flight?
The latest flight took off on Monday, April 6th, 2026 with the flight status being Landed on 16:56.
How else can the flight WN4277 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4277, WN 4277, SWA 4277.
How often is flight WN4277 delayed?
On average, 20% of all WN4277 flights are delayed. The average delay is 1 minute.
Can I get compensation for my delayed or cancelled WN4277 flight or baggage issues?
If your WN4277 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 WN4277 Flight Tracker above for more details.
Other flights departing from St. Louis STL: DL3884, AA2486, WN3753, WN548
Other flights arriving at Boston BOS: AA1148, NK272, AA1680, AA5828
All flights connecting St. Louis STL to Boston BOS.