WN3966 Flight Status Southwest Airlines: Sacramento to Chicago (SWA3966)

WN 3966 Sacramento to Chicago Flight Status

Not scheduled today. Latest flight: June 3rd, 2026 ; recent history is in the table below.

WN 3966 Flight Status & Schedule Southwest Airlines Sacramento to Chicago

Date From To Departure Arrival Status Details
Jun 03 SMF MDW 00:03 05:36 Landed Track >
Jun 02 SMF MDW 23:59 05:25 Landed Track >
Jun 01 SMF MDW 00:03 05:35 Landed Track >
May 31 SMF MDW 00:02 05:45 En-Route Track >
May 29 SMF MDW 00:03 05:49 Landed Track >
May 28 SMF MDW 00:12 05:51 Landed Track >
May 27 SMF MDW 00:14 05:56 Landed Track >
May 26 SMF MDW 23:57 05:38 Landed Track >
May 25 SMF MDW 00:11 05:53 Landed Track >
May 24 SMF MDW 00:02 05:40 Landed Track >

Southwest Airlines flight WN 3966 links Sacramento and Chicago, 2,874 km (1,786 mi) apart. The timetable allows 3 h 50 min, but the flight usually takes about 3 h 40 min, so it often makes up time. It is not flying today; the last flight, on 3 June 2026, landed on time.

< All Sacramento SMF Departures All Chicago MDW Arrivals >

About WN 3966

Route
Sacramento International Airport SMF to Chicago Midway International Airport MDW
Distance
2,874 km (1,786 mi)
Typical flight time
3 h 40 min
On time
9 of the last 9
Usually departs from
Terminal B

WN 3966 FAQ

How long is the WN3966 flight?
The timetable allows 3 h 50 min. Sacramento to Chicago is 2,874 km (1,786 mi).
How often is WN3966 late?
None of the last 9 flights arrived 15 or more minutes late.
Which terminal does WN3966 use?
It usually leaves from Terminal B at Sacramento International Airport (SMF). Check the flight card above for today's terminal and gate.
What other flight numbers does WN3966 have?
Also listed as SWA3966 (Southwest Airlines' ICAO code) and WN 3966.

WN3966 and Sacramento SMF to Chicago MDW Flights

Other flights departing from Sacramento SMF: WN1265, WN4314, DL4058, AS3398

Other flights arriving at Chicago MDW: WN991, WN3951, WN4216

All flights connecting Sacramento SMF to Chicago MDW.