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WN 321 Chicago to Denver Flight Status

Southwest Airlines Flight WN321 from Chicago Midway International Airport MDW to Denver International Airport DEN is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on April 5th, 2026.
Check the table below for WN321's most recent flight history:

WN 321 Flight Status & Schedule

Date Departure Arrival Status
Apr 05 19:14 20:25
Landed Late
Track >
Mar 29 18:46 19:57
Landed
Track >
Mar 22 18:58 20:19
Landed
Track >
Mar 15 18:25 20:05
Cancelled
Track >
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Mar 08 19:21 20:30
Landed Late
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Southwest Airlines WN 321 Chicago to Denver Flight Information

Southwest Airlines Flight WN321 connects Chicago, United States to Denver, United States, taking off from Chicago Midway International Airport MDW and landing at Denver International Airport DEN.

How long is the WN321 flight from Chicago to Denver?

The average flight time from Chicago to Denver is 2 hours and 12 minutes. The flight distance is 1437 km / 893 miles and the average flight speed is 634 km/h / 394 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN321 Chicago to Denver?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN321 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN321 arriving at?

Flight WN321 arrives at Denver International Airport (DEN) Terminal C.

When was the latest WN321 flight?

The latest flight took off on Monday, April 6th, 2026 with the flight status being Landed on 20:25.

How else can the flight WN321 be referenced as?

This Southwest Airlines flight can also be referenced as SWA321, WN0321, WN 321, SWA 321.

How often is flight WN321 delayed?

On average, 67% of all WN321 flights are delayed. The average delay is 21 minutes.

Can I get compensation for my delayed or cancelled WN321 flight or baggage issues?

If your WN321 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 WN321 Flight Tracker above for more details.

WN321 and Chicago MDW to Denver DEN Flights

Other flights departing from Chicago MDW: DL2060, WN2848, WN1336, WN3996

Other flights arriving at Denver DEN: WN3733, WN537, WN2966, WN662

All flights connecting Chicago MDW to Denver DEN.

WN321 Southwest Airlines Flight: Chicago to Denver Route Map

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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.