WN4129 Flight Status Southwest Airlines: Washington to Chicago (SWA4129)

WN 4129 Washington to Chicago Flight Status

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

WN 4129 Flight Status & Schedule Southwest Airlines Washington to Chicago

Date From To Departure Arrival Status Details
Sep 30 DCA MDW 12:31 13:02 Landed Track >
Sep 29 DCA MDW 12:15 12:44 Landed Track >
Sep 23 DCA MDW 12:49 13:17 Landed Late Track >
Sep 22 DCA MDW 13:00 13:32 Landed Late Track >
Sep 16 DCA MDW 12:24 12:51 Landed Track >
Sep 15 DCA MDW 13:20 13:55 Landed Late Track >
Sep 09 DCA MDW 12:22 12:52 Landed Track >
Sep 08 DCA MDW 12:22 12:47 Landed Track >
Aug 26 DCA MDW 13:17 13:46 Landed Track >
Aug 25 DCA MDW 13:14 13:43 Landed Track >

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

< All Washington DCA Departures All Chicago MDW Arrivals >

About WN 4129

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
7 of the last 10
Average delay when late
35 min
Usually departs from
Terminal 1

WN 4129 FAQ

How long is the WN4129 flight?
The timetable allows 1 h 55 min. Washington to Chicago is 964 km (599 mi).
How often is WN4129 late?
3 of the last 10 flights arrived 15 or more minutes late; when late, by 35 minutes on average.
Which terminal does WN4129 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 WN4129 have?
Also listed as SWA4129 (Southwest Airlines' ICAO code) and WN 4129.

WN4129 and Washington DCA to Chicago MDW Flights

Other flights departing from Washington DCA: B61923, WN1678, B6754, OH5051

Other flights arriving at Chicago MDW: WN3430, WN4496, WN1654, WN1359

All flights connecting Washington DCA to Chicago MDW.