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WN8504 Flight Status Southwest Airlines: Chicago to St. Louis (SWA8504)

WN 8504 Chicago to St. Louis Flight Status

Southwest Airlines Flight WN8504 from Chicago Midway International Airport MDW to St. Louis Lambert International Airport STL is not scheduled for today July 19th, 2026.
The last time the flight was scheduled was on December 3rd, 2025.
Check the table below for WN8504's most recent flight history:

WN 8504 Flight Status & Schedule

Date Departure Arrival Status
Dec 03 08:45 09:32
Landed
 Track >
Dec 01 08:56 09:46
Landed Late
 Track >
< All MDW Departures All STL Arrivals >

Southwest Airlines WN 8504 Chicago to St. Louis Flight Information

Southwest Airlines Flight WN8504 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 WN8504 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 500 km/h / 311 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN8504 Chicago to St. Louis?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN8504 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN8504 arriving at?

Flight WN8504 arrives at St. Louis Lambert International Airport (STL) Terminal 2.

When was the latest WN8504 flight?

The latest flight took off on Wednesday, December 3rd, 2025 with the flight status being Landed on 09:32.

How else can the flight WN8504 be referenced as?

This Southwest Airlines flight can also be referenced as SWA8504, WN 8504, SWA 8504.

How often is flight WN8504 delayed?

On average, 100% of all WN8504 flights are delayed. The average delay is 21 minutes.

Can I get compensation for my delayed or cancelled WN8504 flight or baggage issues?

If your WN8504 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 WN8504 Flight Tracker above for more details.

WN8504 and Chicago MDW to St. Louis STL Flights

Other flights departing from Chicago MDW: WN4233, WN3610, WN4355, WN4233

Other flights arriving at St. Louis STL: AA2571, WN4323, AA3139, WN1295

All flights connecting Chicago MDW to St. Louis STL.

WN8504 Southwest Airlines Flight: Chicago to St. Louis Route Map

WN8504 Southwest Airlines Flight Map: Chicago to St. Louis
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
New Flights: NT9671 Q4860 KC247 5R3302 AC7181 MV5711 ZT9715 TK6330 7W192 4D701
See Also: Flight Tracker Airports Airlines News Flights Monitor Delay Compensation
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.