Southwest Airlines

WN3964Chicago to Houston

Name: Southwest Airlines WN3964 Chicago to Houston: on-time record
Creator: TripStow
License: https://tripstow.com/notices

Southwest Airlines flight WN3964 flies from Chicago Midway (MDW) to Houston (HOU), 1,510 km. Over August 2025 to July 2026 it usually arrives about 9 minutes late: 71% of 199 flights arrived within 15 minutes of schedule and 1.5% were cancelled (US Department of Transportation data).

On-time record, last 12 months

71%

on time (within 15 min)

18%

more than 30 min late

1.5%

cancelled

+9 min

average arrival vs schedule

Every operation of WN3964, August 2025 to July 2026: 199 flights. Source: US Bureau of Transportation Statistics, public domain.

Routes flown as WN3964

Chicago Midway (MDW) to Houston (HOU)58 flights
St. Louis (STL) to New Orleans (MSY)50 flights
Ontario (ONT) to Sacramento (SMF)24 flights
New York (LGA) to Chicago Midway (MDW)20 flights
St. Louis (STL) to Chicago Midway (MDW)18 flights
Houston (HOU) to Albuquerque (ABQ)13 flights
Albuquerque (ABQ) to Denver (DEN)5 flights
Atlanta (ATL) to Pittsburgh (PIT)3 flights
Philadelphia (PHL) to Chicago Midway (MDW)3 flights
Las Vegas (LAS) to Dallas Love Field (DAL)3 flights

Other flights from Chicago to Houston

WN1001 WN1124 WN1177 WN1279 WN1301 WN1313 WN1315 WN1347 WN1399 WN1431 WN1436 WN150

More about Chicago Midway (MDW) and Houston (HOU).

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