How long is the WN1431 flight?

The timetable allows 1 h 55 min. Washington to Chicago is 964 km (599 mi).

Which terminal does WN1431 use?

It usually leaves from Terminal 1 at Washington Ronald Reagan National Airport (DCA). Check the flight card above for today's terminal and gate.

What other flight numbers does WN1431 have?

Also listed as SWA1431 (Southwest Airlines' ICAO code) and WN 1431.

WN1431 Flight Status Southwest Airlines: Washington to Chicago (SWA1431)

WN 1431 Washington to Chicago Flight Status

Not scheduled today. Latest flight: August 2nd, 2026 ; recent history is in the table below.

This flight continues to New Orleans (MSY): WN1431 Chicago to New Orleans departs at 11:00 local time on Aug 2.

WN 1431 Flight Status & Schedule Southwest Airlines Washington to Chicago

Date	From	To	Departure	Arrival	Status	Details
Aug 02	DCA	MDW	09:45	10:16	Landed	Track >
Jul 26	DCA	MDW	09:48	10:20	Landed	Track >
Jul 19	DCA	MDW	10:41	11:07	Delayed	Track >
Jul 12	DCA	MDW	09:58	10:25	Landed	Track >
Jul 05	DCA	MDW	09:43	10:11	Landed	Track >
Jun 28	DCA	MDW	09:59	10:38	Landed Late	Track >
Jun 21	DCA	MDW	10:00	10:41	Landed Late	Track >
Jun 14	DCA	MDW	09:49	10:21	Landed	Track >
Jun 07	DCA	MDW	09:32	10:01	Landed	Track >

Southwest Airlines' Washington–Chicago flight covers 964 km (599 mi). Its timetable allows 1 h 55 min; in practice it usually takes about 1 h 30 min, so it often makes up time. It is not flying today; the last flight, on 2 August 2026, landed on time.

< All Washington DCA Departures All Chicago MDW Arrivals >

About WN 1431

Route: Washington Ronald Reagan National Airport DCA to Chicago Midway International Airport MDW
Distance: 964 km (599 mi)
Typical flight time: 1 h 30 min
On time: 6 of the last 8
Average delay when late: 20 min
Usually departs from: Terminal 1

WN 1431 FAQ

How long is the WN1431 flight?: The timetable allows 1 h 55 min. Washington to Chicago is 964 km (599 mi).
How often is WN1431 late?: 2 of the last 8 flights arrived 15 or more minutes late; when late, by 20 minutes on average.
Which terminal does WN1431 use?: It usually leaves from Terminal 1 at Washington Ronald Reagan National Airport (DCA). Check the flight card above for today's terminal and gate.
What other flight numbers does WN1431 have?: Also listed as SWA1431 (Southwest Airlines' ICAO code) and WN 1431.

WN1431 and Washington DCA to Chicago MDW Flights

Other flights departing from Washington DCA: OH5080, WN1426, AA5647, OH5647

Other flights arriving at Chicago MDW: WN3916, WN114, WN1774, WN2570

All flights connecting Washington DCA to Chicago MDW.