Southwest Airlines
WN4504Kansas City to St. Louis
Southwest Airlines flight WN4504 flies from Kansas City (MCI) to St. Louis (STL), 380 km. Over August 2025 to July 2026 it usually arrives about 3 minutes late: 85% of 302 flights arrived within 15 minutes of schedule and 0% were cancelled (US Department of Transportation data).
On-time record, last 12 months
85%
on time (within 15 min)
9%
more than 30 min late
0%
cancelled
+3 min
average arrival vs schedule
Every operation of WN4504, August 2025 to July 2026: 302 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as WN4504
- Kansas City (MCI) to St. Louis (STL)58 flights
- Omaha (OMA) to Chicago Midway (MDW)57 flights
- Buffalo Niagara (BUF) to Chicago Midway (MDW)42 flights
- Santa Ana (SNA) to Denver (DEN)33 flights
- St. Louis (STL) to Philadelphia (PHL)31 flights
- St. Louis (STL) to Orlando (MCO)30 flights
- Phoenix Sky Harbor (PHX) to Buffalo Niagara (BUF)21 flights
- Salt Lake City (SLC) to Sacramento (SMF)14 flights
- San Jose (SJC) to Santa Ana (SNA)8 flights
- Oakland (OAK) to Santa Ana (SNA)5 flights
Other flights from Kansas City to St. Louis
More about Kansas City (MCI) and St. Louis (STL).
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