WN3901 Flight Status Southwest Airlines: San Francisco to Chicago (SWA3901)

WN 3901 San Francisco to Chicago Flight Status

Not scheduled today. Latest flight: July 29th, 2026 ; recent history is in the table below.

WN 3901 Flight Status & Schedule Southwest Airlines San Francisco to Chicago

Date From To Departure Arrival Status Details
Jul 29 SFO MDW 05:40 11:17 Landed Track >
Jul 28 SFO MDW 05:24 11:12 Landed Track >
Jul 22 SFO MDW 05:27 11:15 Landed Track >
Jul 21 SFO MDW 05:45 11:29 Landed Track >
Jul 15 SFO MDW 05:31 11:21 Landed Track >
Jul 14 SFO MDW 05:29 11:19 Landed Track >
Jul 08 SFO MDW 05:40 11:15 Landed Track >
Jul 07 SFO MDW 05:29 11:10 Landed Track >
Jul 01 SFO MDW 05:30 11:06 Landed Track >
Jun 30 SFO MDW 05:32 11:09 Landed Track >

Southwest Airlines' San Francisco–Chicago flight covers 2,977 km (1,850 mi). Its timetable allows 4 h 10 min; in practice it usually takes about 3 h 45 min, so it often makes up time. It is not flying today; the last flight, on 29 July 2026, landed on time.

< All San Francisco SFO Departures All Chicago MDW Arrivals >

About WN 3901

Route
San Francisco International Airport SFO to Chicago Midway International Airport MDW
Distance
2,977 km (1,850 mi)
Typical flight time
3 h 45 min
On time
10 of the last 10
Usually departs from
Terminal 2

WN 3901 FAQ

How long is the WN3901 flight?
The timetable allows 4 h 10 min. San Francisco to Chicago is 2,977 km (1,850 mi).
How often is WN3901 late?
None of the last 10 flights arrived 15 or more minutes late.
Which terminal does WN3901 use?
It usually leaves from Terminal 2 at San Francisco International Airport (SFO). Check the flight card above for today's terminal and gate.
What other flight numbers does WN3901 have?
Also listed as SWA3901 (Southwest Airlines' ICAO code) and WN 3901.

WN3901 and San Francisco SFO to Chicago MDW Flights

Other flights departing from San Francisco SFO: WN4145, AA1198, WN1424, B6816

Other flights arriving at Chicago MDW: WN2744, WN4432, WN2818

All flights connecting San Francisco SFO to Chicago MDW.