Southwest Airlines

WN1143Columbus to St. Louis

Name: Southwest Airlines WN1143 Columbus to St. Louis: on-time record
Creator: TripStow
License: https://tripstow.com/notices

Southwest Airlines flight WN1143 flies from Columbus (CMH) to St. Louis (STL), 657 km. Over August 2025 to July 2026 it usually arrives right on schedule: 85% of 425 flights arrived within 15 minutes of schedule and 1.2% were cancelled (US Department of Transportation data).

On-time record, last 12 months

85%

on time (within 15 min)

more than 30 min late

1.2%

cancelled

-1 min

average arrival vs schedule

Every operation of WN1143, August 2025 to July 2026: 425 flights. Source: US Bureau of Transportation Statistics, public domain.

Routes flown as WN1143

Columbus (CMH) to St. Louis (STL)58 flights
Baltimore (BWI) to Greenville Spartanburg (GSP)57 flights
Chicago Midway (MDW) to New York (LGA)50 flights
Fort Lauderdale Hollywood (FLL) to Kansas City (MCI)46 flights
Baltimore (BWI) to Windsor Locks (BDL)34 flights
Nashville (BNA) to San Antonio (SAT)33 flights
Charleston (CHS) to Baltimore (BWI)26 flights
Nashville (BNA) to Chicago Midway (MDW)24 flights
Sacramento (SMF) to Spokane (GEG)21 flights
Washington (DCA) to Orlando (MCO)18 flights

Other flights from Columbus to St. Louis

WN1002 WN1138 WN1144 WN1207 WN1342 WN1837 WN1970 WN2054 WN2086 WN2089 WN2163

More about Columbus (CMH) and St. Louis (STL).

Embed this on your site

A live badge for travel blogs, forums and trip reports. It updates as new data comes in, and links back here for the full stats.

Dark badge, HTML

<a href="https://tripstow.com/flights/wn1143" title="WN1143 is on time 85% of the time on TripStow"><img src="https://tripstow.com/badge/flights/wn1143.svg" alt="WN1143 is on time 85% of the time" width="360" height="88" loading="lazy"></a>

Light badge, HTML

<a href="https://tripstow.com/flights/wn1143" title="WN1143 is on time 85% of the time on TripStow"><img src="https://tripstow.com/badge/flights/wn1143.svg?theme=light" alt="WN1143 is on time 85% of the time" width="360" height="88" loading="lazy"></a>

Markdown, for forums and README files

[![WN1143 is on time 85% of the time](https://tripstow.com/badge/flights/wn1143.svg)](https://tripstow.com/flights/wn1143)

Flying soon?

Forward your booking to TripStow and get your trip built for you, with check-in reminders, punctuality for every flight and a map of everywhere you have been.

Start free