Southwest Airlines

WN1873St. Louis to Houston

Name: Southwest Airlines WN1873 St. Louis to Houston: on-time record
Creator: TripStow
License: https://tripstow.com/notices

Southwest Airlines flight WN1873 flies from St. Louis (STL) to Houston (HOU), 1,108 km. Over August 2025 to April 2026 it usually arrives about 2 minutes late: 80% of 424 flights arrived within 15 minutes of schedule and 1.4% were cancelled (US Department of Transportation data).

On-time record, last 12 months

80%

on time (within 15 min)

10%

more than 30 min late

1.4%

cancelled

+2 min

average arrival vs schedule

Every operation of WN1873, August 2025 to April 2026: 424 flights. Source: US Bureau of Transportation Statistics, public domain.

Routes flown as WN1873

St. Louis (STL) to Houston (HOU)63 flights
Islip (ISP) to Baltimore (BWI)47 flights
West Palm Beach (PBI) to Islip (ISP)47 flights
Las Vegas (LAS) to Denver (DEN)42 flights
Sacramento (SMF) to Las Vegas (LAS)39 flights
Montrose CO (MTJ) to Denver (DEN)33 flights
Lihue (LIH) to Oakland (OAK)31 flights
Austin Bergstrom (AUS) to Tampa (TPA)24 flights
Denver (DEN) to Austin Bergstrom (AUS)24 flights
Las Vegas (LAS) to Phoenix Sky Harbor (PHX)20 flights

Other flights from St. Louis to Houston

WN1009 WN1090 WN1122 WN1141 WN117 WN1325 WN1460 WN1538 WN1697 WN1712 WN1753 WN1792

More about St. Louis (STL) and Houston (HOU).

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