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WN 8503 Chicago to St. Louis Flight Status

Southwest Airlines Flight WN8503 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 WN8503's most recent flight history:

WN 8503 Flight Status & Schedule

Date Departure Arrival Status
Apr 04 05:28 06:26
Landed
Track >
Mar 02 06:21 07:08
Landed
Track >
Nov 06 08:30 09:15
Landed
Track >
Nov 06 08:30 09:15
Landed
Track >

Southwest Airlines WN 8503 Chicago to St. Louis Flight Information

Southwest Airlines Flight WN8503 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 WN8503 flight from Chicago to St. Louis?

The average flight time from Chicago to St. Louis is 48 minutes. The flight distance is 404 km / 251 miles and the average flight speed is 503 km/h / 313 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN8503 Chicago to St. Louis?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN8503 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN8503 arriving at?

Flight WN8503 arrives at St. Louis Lambert International Airport (STL) Terminal 2.

When was the latest WN8503 flight?

The latest flight took off on Saturday, April 4th, 2026 with the flight status being Landed on 06:26.

How else can the flight WN8503 be referenced as?

This Southwest Airlines flight can also be referenced as SWA8503, WN 8503, SWA 8503.

How often is flight WN8503 delayed?

On average, 0% of all WN8503 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled WN8503 flight or baggage issues?

If your WN8503 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 WN8503 Flight Tracker above for more details.

WN8503 and Chicago MDW to St. Louis STL Flights

Other flights departing from Chicago MDW: WN1674, WN915, WN1522, WN2135

Other flights arriving at St. Louis STL: WN2789, WN2648, WN3086, WN1970

All flights connecting Chicago MDW to St. Louis STL.

WN8503 Southwest Airlines Flight: Chicago to St. Louis Route Map

WN8503 Southwest Airlines Flight Map: Chicago to St. Louis
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.