WN 4343 St. Louis to Kansas City Flight Status

Southwest Airlines Flight WN4343 from St. Louis Lambert International Airport STL to Kansas City International Airport MCI is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on April 6th, 2026.
Check the table below for WN4343's most recent flight history:

WN 4343 Flight Status & Schedule

Date Departure Arrival Status
Apr 06 16:26 17:15
Landed
Track >
Apr 05 16:41 17:28
Landed Late
Track >
Apr 03 16:03 16:48
Landed
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Apr 02 16:07 16:57
Landed
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Mar 30 16:10 16:52
Landed
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Southwest Airlines WN 4343 St. Louis to Kansas City Flight Information

Southwest Airlines Flight WN4343 connects St. Louis, United States to Kansas City, United States, taking off from St. Louis Lambert International Airport STL and landing at Kansas City International Airport MCI.

How long is the WN4343 flight from St. Louis to Kansas City?

The average flight time from St. Louis to Kansas City is 47 minutes. The flight distance is 380 km / 236 miles and the average flight speed is 482 km/h / 299 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4343 St. Louis to Kansas City?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4343 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN4343 arriving at?

Flight WN4343 arrives at Kansas City International Airport (MCI) Terminal 2.

When was the latest WN4343 flight?

The latest flight took off on Monday, April 6th, 2026 with the flight status being Landed on 17:15.

How else can the flight WN4343 be referenced as?

This Southwest Airlines flight can also be referenced as SWA4343, WN 4343, SWA 4343.

How often is flight WN4343 delayed?

On average, 10% of all WN4343 flights are delayed. The average delay is 18 minutes.

Can I get compensation for my delayed or cancelled WN4343 flight or baggage issues?

If your WN4343 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 WN4343 Flight Tracker above for more details.

WN4343 and St. Louis STL to Kansas City MCI Flights

Other flights departing from St. Louis STL: WN2205, AA5398, AA2507, WN2381

Other flights arriving at Kansas City MCI: AA3691, WN1356, WN3225, AA3825

All flights connecting St. Louis STL to Kansas City MCI.

WN4343 Southwest Airlines Flight: St. Louis to Kansas City 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.