WN2421 Flight Status Southwest Airlines: Boston to Chicago (SWA2421)

WN 2421 Boston to Chicago Flight Status

Not scheduled today. Latest flight: September 28th, 2026 ; recent history is in the table below.

WN 2421 Flight Status & Schedule Southwest Airlines Boston to Chicago

Date From To Departure Arrival Status Details
Sep 28 BOS MDW 12:40 14:10 Cancelled Track >
Sep 25 BOS MDW 12:51 13:54 Landed Track >
Sep 24 BOS MDW 12:57 13:55 Landed Track >
Sep 21 BOS MDW 12:53 14:01 Landed Track >
Sep 18 BOS MDW 12:47 13:58 Landed Track >
Sep 17 BOS MDW 12:40 14:10 Cancelled Track >
Sep 14 BOS MDW 12:56 14:05 Landed Track >
Sep 11 BOS MDW 12:49 13:51 Landed Track >
Sep 10 BOS MDW 12:48 14:11 Landed Track >
Sep 07 BOS MDW 12:52 13:49 Landed Track >

Southwest Airlines operates WN 2421 from Boston to Chicago, a 1,381 km (858 mi) trip. With 2 h 30 min in the timetable and a usual flight time of about 2 h 5 min, it often makes up time. It is not flying today; the last flight, on 28 September 2026, was cancelled.

< All Boston BOS Departures All Chicago MDW Arrivals >

About WN 2421

Southwest Airlines Flight WN2421 connects Boston, United States to Chicago, United States, taking off from Boston Logan International Airport BOS and landing at Chicago Midway International Airport MDW.

Route
Boston Logan International Airport BOS to Chicago Midway International Airport MDW
Distance
1,381 km (858 mi)
Typical flight time
2 h 5 min
On time
8 of the last 10
Usually departs from
Terminal B

WN 2421 FAQ

How long is the WN2421 flight from Boston to Chicago?
The timetable allows 2 h 30 min. Boston to Chicago is 1,381 km (858 mi).
How often is WN2421 from Boston to Chicago late?
None of the last 10 flights arrived 15 or more minutes late and 2 were cancelled.
When was the latest WN2421 flight from Boston to Chicago?
The latest WN2421 was the 12:40 (local time) departure from Boston on 28 September 2026; it was cancelled.
Which terminal does WN2421 use?
It usually leaves from Terminal B at Boston Logan International Airport (BOS). Check the flight card above for today's terminal and gate.
What other flight numbers does WN2421 have?
Also listed as SWA2421 (Southwest Airlines' ICAO code) and WN 2421.

WN2421 and Boston BOS to Chicago MDW Flights

Other flights departing from Boston BOS: AA1438, DL303, G41389, 9K7152

Other flights arriving at Chicago MDW: WN1678, WN577

All flights connecting Boston BOS to Chicago MDW.