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WN1021 Flight Status Southwest Airlines: Chicago to St. Louis (SWA1021)

WN 1021 Chicago to St. Louis Flight Status

Southwest Airlines Flight WN1021 from Chicago Midway International Airport MDW to St. Louis Lambert International Airport STL is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on December 13th, 2025.
Check the table below for WN1021's most recent flight history:

WN 1021 Flight Status & Schedule

Date Departure Arrival Status
Dec 13 15:00 15:50
Landed
 Track >
Dec 06 14:57 15:47
Landed
 Track >
Nov 15 14:54 15:37
Landed
 Track >
Nov 08 14:45 15:31
Landed
 Track >
< All MDW Departures All STL Arrivals >

Southwest Airlines WN 1021 Chicago to St. Louis Flight Information

Southwest Airlines Flight WN1021 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 WN1021 flight from Chicago to St. Louis?

The average flight time from Chicago to St. Louis is 47 minutes. The flight distance is 404 km / 251 miles and the average flight speed is 515 km/h / 320 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN1021 Chicago to St. Louis?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN1021 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN1021 arriving at?

Flight WN1021 arrives at St. Louis Lambert International Airport (STL) Terminal 2.

When was the latest WN1021 flight?

The latest flight took off on Saturday, December 13th, 2025 with the flight status being Landed on 15:50.

How else can the flight WN1021 be referenced as?

This Southwest Airlines flight can also be referenced as SWA1021, WN 1021, SWA 1021.

How often is flight WN1021 delayed?

On average, 0% of all WN1021 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled WN1021 flight or baggage issues?

If your WN1021 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 WN1021 Flight Tracker above for more details.

WN1021 and Chicago MDW to St. Louis STL Flights

Other flights departing from Chicago MDW: DL3795, WN494, WN1317, WN3541

Other flights arriving at St. Louis STL: DL4991, AA4514, UA336, UA6172

All flights connecting Chicago MDW to St. Louis STL.

WN1021 Southwest Airlines Flight: Chicago to St. Louis Route Map

WN1021 Southwest Airlines Flight Map: Chicago to St. Louis
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.