WN 3678 Chicago to Boston Flight Status

Southwest Airlines Flight WN3678 from Chicago Midway International Airport MDW to Boston Logan International Airport BOS is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on January 5th, 2026.
Check the table below for WN3678's most recent flight history:

WN 3678 Flight Status & Schedule

Date Departure Arrival Status
Jan 05 09:55 12:38
Landed
Track >
Jan 04 10:20 13:01
Landed
Track >
Jan 03 10:24 13:05
Landed
Track >
Jan 02 09:47 12:29
Landed
Track >
Jan 01 18:42 21:23
Landed
Track >

Southwest Airlines WN 3678 Chicago to Boston Flight Information

Southwest Airlines Flight WN3678 connects Chicago, United States to Boston, United States, taking off from Chicago Midway International Airport MDW and landing at Boston Logan International Airport BOS.

How long is the WN3678 flight from Chicago to Boston?

The average flight time from Chicago to Boston is 1 hour and 43 minutes. The flight distance is 1381 km / 858 miles and the average flight speed is 801 km/h / 498 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3678 Chicago to Boston?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3678 is 4.5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN3678 arriving at?

Flight WN3678 arrives at Boston Logan International Airport (BOS) Terminal B.

When was the latest WN3678 flight?

The latest flight took off on Monday, January 5th, 2026 with the flight status being Landed on 12:38.

How else can the flight WN3678 be referenced as?

This Southwest Airlines flight can also be referenced as SWA3678, WN 3678, SWA 3678.

How often is flight WN3678 delayed?

On average, 50% of all WN3678 flights are delayed. The average delay is 59 minutes.

Can I get compensation for my delayed or cancelled WN3678 flight or baggage issues?

If your WN3678 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 WN3678 Flight Tracker above for more details.

WN3678 and Chicago MDW to Boston BOS Flights

Other flights departing from Chicago MDW: WN1743, WN3769, WN2155, WN3454

Other flights arriving at Boston BOS: G4431, WN1419, UA567, AA863

All flights connecting Chicago MDW to Boston BOS.

WN3678 Southwest Airlines Flight: Chicago to Boston Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.