WN431 Flight Status Southwest Airlines: Chicago to Portland (SWA431)

Are you looking for the November 6th, 2026 WN 431 Washington to Houston flight? Go to our WN431 Washington to Houston Flight Status page >

WN 431 Chicago to Portland Flight Status

Not scheduled today (November 6th, 2026). Latest flight: September 28th, 2026 ; recent history is in the table below.

WN 431 Flight Status & Schedule Southwest Airlines Chicago to Portland

Date From To Departure Arrival Status Details
Sep 28 MDW PWM 18:23 21:16 En-Route Track >
Sep 27 MDW PWM 18:51 21:48 Landed Track >
Sep 25 MDW PWM 18:22 21:16 Landed Track >
Sep 24 MDW PWM 18:29 21:20 Landed Track >
Sep 21 MDW PWM 18:59 21:44 Landed Track >
Sep 20 MDW PWM 18:38 21:22 Landed Track >
Sep 18 MDW PWM 18:19 21:08 Landed Track >
Sep 17 MDW PWM 18:36 21:21 Landed Track >
Sep 14 MDW PWM 18:17 21:11 Landed Track >
Sep 13 MDW PWM 18:54 21:34 Landed Track >

Southwest Airlines' Chicago–Portland flight covers 1,437 km (893 mi). The timetable allows 2 h 25 min, but the flight usually takes about 1 h 50 min, so it often makes up time. It is not flying today; the last flight was scheduled on 28 September 2026.

< All Chicago MDW Departures All Portland PWM Arrivals >

About WN 431

Route
Chicago Midway International Airport MDW to Portland International Jetport PWM
Distance
1,437 km (893 mi)
Typical flight time
1 h 50 min
On time
9 of the last 9

WN 431 FAQ

How long is the WN431 flight?
The timetable allows 2 h 25 min. Chicago to Portland is 1,437 km (893 mi).
How often is WN431 late?
None of the last 9 flights arrived 15 or more minutes late.
What other flight numbers does WN431 have?
Also listed as SWA431 (Southwest Airlines' ICAO code) and WN 431.

WN431 and Chicago MDW to Portland PWM Flights

Other flights departing from Chicago MDW: WN125, WN1357, WN4713, WN4795

Other flights arriving at Portland PWM: MX1004, PT5867, WN1467, AA1889

All flights connecting Chicago MDW to Portland PWM.