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WN4143 Flight Status Southwest Airlines: St. Louis to Chicago (SWA4143)

Southwest Airlines WN 4143
Scheduled in 02:08:13'
Departure: Thu, Oct 1, 2026
Scheduled:
10:45
|
Estimated:
10:45
Arrival: Thu, Oct 1, 2026
Scheduled:
11:55
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WN 4143 Flight Status & Schedule

Date Departure Arrival Status
Oct 01 10:45 11:55
Scheduled
 Track >
< All STL Departures All MDW Arrivals >

Southwest Airlines WN 4143 St. Louis to Chicago Flight Information

Southwest Airlines Flight WN4143 connects St. Louis, United States to Chicago, United States, taking off from St. Louis Lambert International Airport STL and landing at Chicago Midway International Airport MDW.

How many WN4143 flights are operated per week?

1 flight per week. The flight WN4143 is operated on Thursday.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4143 St. Louis to Chicago?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4143 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest WN4143 flight?

The latest flight took off on Thursday, October 1st, 2026 with the flight status being Scheduled on 11:55.

How else can the flight WN4143 be referenced as?

This Southwest Airlines flight can also be referenced as SWA4143, WN 4143, SWA 4143.

How often is flight WN4143 delayed?

On average, 0% of all WN4143 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled WN4143 flight or baggage issues?

If your WN4143 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 WN4143 Flight Tracker above for more details.

WN4143 and St. Louis STL to Chicago MDW Flights

Other flights departing from St. Louis STL: AA2818, WN1109, WN4129, WN479

Other flights arriving at Chicago MDW: WN1487, WN373, F92882, WN3253

All flights connecting St. Louis STL to Chicago MDW.

WN4143 Southwest Airlines Flight: St. Louis to Chicago Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
New Flights: LA2154 ZV293 6A293 CE204 WN1234 P62027 XE9230 WS1486 DP1365 WS3730
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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.