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WN 3878 Kansas City to Chicago Flight Status

Southwest Airlines Flight WN3878 from Kansas City International Airport MCI to Chicago Midway International Airport MDW is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on April 5th, 2026.
Check the table below for WN3878's most recent flight history:

WN 3878 Flight Status & Schedule

Date Departure Arrival Status
Apr 05 18:34 19:33
Landed
Track >
Mar 29 19:22 20:24
Landed Late
Track >
Mar 22 18:38 19:38
Landed
Track >
Mar 15 21:00 19:45
Unknown
Track >
Mar 08 19:51 20:46
Delayed
Track >

Southwest Airlines WN 3878 Kansas City to Chicago Flight Information

Southwest Airlines Flight WN3878 connects Kansas City, United States to Chicago, United States, taking off from Kansas City International Airport MCI and landing at Chicago Midway International Airport MDW.

How long is the WN3878 flight from Kansas City to Chicago?

The average flight time from Kansas City to Chicago is 59 minutes. The flight distance is 650 km / 404 miles and the average flight speed is 621 km/h / 386 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3878 Kansas City to Chicago?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3878 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest WN3878 flight?

The latest flight took off on Monday, April 6th, 2026 with the flight status being Landed on 19:33.

How else can the flight WN3878 be referenced as?

This Southwest Airlines flight can also be referenced as SWA3878, WN 3878, SWA 3878.

How often is flight WN3878 delayed?

On average, 40% of all WN3878 flights are delayed. The average delay is 50 minutes.

Can I get compensation for my delayed or cancelled WN3878 flight or baggage issues?

If your WN3878 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 WN3878 Flight Tracker above for more details.

WN3878 and Kansas City MCI to Chicago MDW Flights

Other flights departing from Kansas City MCI: NK1633, AA3527, WN1907, WN3802

Other flights arriving at Chicago MDW: WN3916, WN777, WN2972, WN3768

All flights connecting Kansas City MCI to Chicago MDW.

WN3878 Southwest Airlines Flight: Kansas City to Chicago Route Map

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.