WN4431 Flight Status Southwest Airlines: Baltimore to Boston (SWA4431)

Are you looking for the November 3rd, 2026 WN 4431 St. Louis to Boston flight? Go to our WN4431 St. Louis to Boston Flight Status page >

WN 4431 Baltimore to Boston Flight Status

Not scheduled today (November 3rd, 2026). Latest flight: September 30th, 2026 ; recent history is in the table below.

WN 4431 Flight Status & Schedule Southwest Airlines Baltimore to Boston

Date From To Departure Arrival Status Details
Sep 30 BWI BOS 19:59 21:04 Landed Track >
Sep 29 BWI BOS 21:38 22:46 Delayed Track >
Sep 23 BWI BOS 20:59 21:56 Landed Late Track >
Sep 22 BWI BOS 20:05 21:04 Landed Track >
Sep 16 BWI BOS 20:34 21:41 Landed Track >
Sep 15 BWI BOS 20:18 21:24 Landed Track >
Sep 09 BWI BOS 21:10 22:19 Delayed Track >
Sep 08 BWI BOS 20:07 21:17 Landed Track >
Sep 02 BWI BOS 19:45 21:25 Cancelled Track >
Sep 01 BWI BOS 21:13 22:37 Delayed Track >

Southwest Airlines flight WN 4431 links Baltimore and Boston, 594 km (369 mi) apart. The timetable allows 1 h 45 min, but the flight usually takes about 1 h 5 min, so it often makes up time. It is not flying today; the last flight, on 30 September 2026, landed on time.

< All Baltimore BWI Departures All Boston BOS Arrivals >

About WN 4431

Route
Baltimore Washington International Airport BWI to Boston Logan International Airport BOS
Distance
594 km (369 mi)
Typical flight time
1 h 5 min
On time
5 of the last 7
Average delay when late
26 min

WN 4431 FAQ

How long is the WN4431 flight?
The timetable allows 1 h 45 min. Baltimore to Boston is 594 km (369 mi).
How often is WN4431 late?
1 of the last 7 flights arrived 15 or more minutes late and 1 was cancelled; when late, by 26 minutes on average.
Which terminal does WN4431 use?
It usually arrives at Terminal B at Boston Logan International Airport (BOS). Check the flight card above for today's terminal and gate.
What other flight numbers does WN4431 have?
Also listed as SWA4431 (Southwest Airlines' ICAO code) and WN 4431.

WN4431 and Baltimore BWI to Boston BOS Flights

Other flights departing from Baltimore BWI: WN439, WN940, WN4600, WN4920

Other flights arriving at Boston BOS: DL1809, WN4215, WN392, DL2181

All flights connecting Baltimore BWI to Boston BOS.