WN 373 St. Louis to Chicago Flight Status

Southwest Airlines Flight WN373 from St. Louis Lambert International Airport STL to Chicago Midway International Airport MDW is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on April 6th, 2026.
Check the table below for WN373's most recent flight history:

WN 373 Flight Status & Schedule

Date Departure Arrival Status
Apr 06 16:52 17:38
Landed
Track >
Apr 05 16:58 17:41
Landed
Track >
Apr 04 16:52 17:37
Landed
Track >
Apr 03 17:32 18:18
Landed Late
Track >
Apr 02 16:59 17:44
Landed
Track >

Southwest Airlines WN 373 St. Louis to Chicago Flight Information

Southwest Airlines Flight WN373 connects St. Louis, United States to Chicago, United States, taking off from St. Louis Lambert International Airport STL and landing at Chicago Midway International Airport MDW.

How long is the WN373 flight from St. Louis to Chicago?

The average flight time from St. Louis to Chicago is 45 minutes. The flight distance is 404 km / 251 miles and the average flight speed is 534 km/h / 332 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN373 St. Louis to Chicago?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN373 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest WN373 flight?

The latest flight took off on Monday, April 6th, 2026 with the flight status being Landed on 17:38.

How else can the flight WN373 be referenced as?

This Southwest Airlines flight can also be referenced as SWA373, WN0373, WN 373, SWA 373.

How often is flight WN373 delayed?

On average, 50% of all WN373 flights are delayed. The average delay is 29 minutes.

Can I get compensation for my delayed or cancelled WN373 flight or baggage issues?

If your WN373 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 WN373 Flight Tracker above for more details.

WN373 and St. Louis STL to Chicago MDW Flights

Other flights departing from St. Louis STL: WN1983, WN2523, WN3182, WN2976

Other flights arriving at Chicago MDW: WN1211, WN3637, DL5275, WN269

All flights connecting St. Louis STL to Chicago MDW.

WN373 Southwest Airlines Flight: St. Louis to Chicago Route Map

WN373 Southwest Airlines Flight Map: St. Louis to Chicago
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.