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WN 3621 Chicago to Boston Flight Status

Southwest Airlines Flight WN3621 from Chicago Midway International Airport MDW to Boston Logan International Airport BOS is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on September 28th, 2025.
Check the table below for WN3621's most recent flight history:

WN 3621 Flight Status & Schedule

Date Departure Arrival Status
Sep 28 05:59 08:50
Landed
Track >
Sep 21 06:00 08:49
Landed
Track >
Sep 14 05:58 08:48
Landed
Track >
Sep 07 05:58 08:41
Landed
Track >
Aug 24 06:03 08:49
Landed
Track >

Southwest Airlines WN 3621 Chicago to Boston Flight Information

Southwest Airlines Flight WN3621 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 WN3621 flight from Chicago to Boston?

The average flight time from Chicago to Boston is 1 hour and 48 minutes. The flight distance is 1381 km / 858 miles and the average flight speed is 763 km/h / 474 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3621 Chicago to Boston?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3621 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN3621 arriving at?

Flight WN3621 arrives at Boston Logan International Airport (BOS) Terminal B.

When was the latest WN3621 flight?

The latest flight took off on Sunday, September 28th, 2025 with the flight status being Landed on 08:50.

How else can the flight WN3621 be referenced as?

This Southwest Airlines flight can also be referenced as SWA3621, WN 3621, SWA 3621.

How often is flight WN3621 delayed?

On average, 0% of all WN3621 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled WN3621 flight or baggage issues?

If your WN3621 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 WN3621 Flight Tracker above for more details.

WN3621 and Chicago MDW to Boston BOS Flights

Other flights departing from Chicago MDW: WN1871, WN4362, WN4051, WN3775

Other flights arriving at Boston BOS: F91216, WN277, AA4335, DL9960

All flights connecting Chicago MDW to Boston BOS.

WN3621 Southwest Airlines Flight: Chicago to Boston Route Map

WN3621 Southwest Airlines Flight Map: Chicago to Boston
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.