Southwest Airlines

WN4639Pittsburgh to St. Louis

Name: Southwest Airlines WN4639 Pittsburgh to St. Louis: on-time record
Creator: TripStow
License: https://tripstow.com/notices

Southwest Airlines flight WN4639 flies from Pittsburgh (PIT) to St. Louis (STL), 889 km. Over August 2025 to July 2026 it usually arrives about 3 minutes late: 79% of 195 flights arrived within 15 minutes of schedule and 0% were cancelled (US Department of Transportation data).

On-time record, last 12 months

79%

on time (within 15 min)

15%

more than 30 min late

cancelled

+3 min

average arrival vs schedule

Every operation of WN4639, August 2025 to July 2026: 195 flights. Source: US Bureau of Transportation Statistics, public domain.

Routes flown as WN4639

Pittsburgh (PIT) to St. Louis (STL)58 flights
Houston (HOU) to Denver (DEN)57 flights
Las Vegas (LAS) to San Jose (SJC)22 flights
Sacramento (SMF) to Palm Springs (PSP)11 flights
Palm Springs (PSP) to Las Vegas (LAS)11 flights
Phoenix Sky Harbor (PHX) to Spokane (GEG)10 flights
Denver (DEN) to Sacramento (SMF)8 flights
Pensacola (PNS) to Nashville (BNA)8 flights
Boise (BOI) to Oakland (OAK)5 flights
Tampa (TPA) to Austin Bergstrom (AUS)4 flights

Other flights from Pittsburgh to St. Louis

WN1139 WN1190 WN1211 WN1386 WN1427 WN147 WN1502 WN1518 WN1687 WN2089 WN2156 WN2412

More about Pittsburgh (PIT) and St. Louis (STL).

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