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WN 397 Chicago to St. Louis Flight Status

Southwest Airlines Flight WN397 from Chicago Midway International Airport MDW to St. Louis Lambert International Airport STL is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on April 4th, 2026.
Check the table below for WN397's most recent flight history:

WN 397 Flight Status & Schedule

Date Departure Arrival Status
Apr 04 21:47 22:35
Landed
Track >
Mar 28 21:52 22:38
Landed
Track >
Mar 21 22:11 22:54
Landed
Track >
Mar 14 21:59 22:43
Landed
Track >
Mar 07 21:55 22:45
Landed
Track >

Southwest Airlines WN 397 Chicago to St. Louis Flight Information

Southwest Airlines Flight WN397 connects Chicago, United States to St. Louis, United States, taking off from Chicago Midway International Airport MDW and landing at St. Louis Lambert International Airport STL.

How long is the WN397 flight from Chicago to St. Louis?

The average flight time from Chicago to St. Louis is 46 minutes. The flight distance is 404 km / 251 miles and the average flight speed is 526 km/h / 327 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN397 Chicago to St. Louis?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN397 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN397 arriving at?

Flight WN397 arrives at St. Louis Lambert International Airport (STL) Terminal 2.

When was the latest WN397 flight?

The latest flight took off on Sunday, April 5th, 2026 with the flight status being Landed on 22:35.

How else can the flight WN397 be referenced as?

This Southwest Airlines flight can also be referenced as SWA397, WN0397, WN 397, SWA 397.

How often is flight WN397 delayed?

On average, 0% of all WN397 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled WN397 flight or baggage issues?

If your WN397 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our WN397 Flight Tracker above for more details.

WN397 and Chicago MDW to St. Louis STL Flights

Other flights departing from Chicago MDW: WN717, WN951, WN1394, WN3640

Other flights arriving at St. Louis STL: WN670, AA2036, WN1342, WN2802

All flights connecting Chicago MDW to St. Louis STL.

WN397 Southwest Airlines Flight: Chicago to St. Louis Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.