Southwest Airlines
WN1837St. Louis to Chicago
Southwest Airlines flight WN1837 flies from St. Louis (STL) to Chicago Midway (MDW), 404 km. Over August 2025 to July 2026 it usually arrives about 6 minutes late: 78% of 310 flights arrived within 15 minutes of schedule and 1% were cancelled (US Department of Transportation data).
On-time record, last 12 months
78%
on time (within 15 min)
11%
more than 30 min late
1%
cancelled
+6 min
average arrival vs schedule
Every operation of WN1837, August 2025 to July 2026: 310 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as WN1837
- St. Louis (STL) to Chicago Midway (MDW)55 flights
- St. Louis (STL) to Atlanta (ATL)50 flights
- Oakland (OAK) to Las Vegas (LAS)46 flights
- Denver (DEN) to Nashville (BNA)40 flights
- New Orleans (MSY) to Baltimore (BWI)33 flights
- Oakland (OAK) to Los Angeles (LAX)18 flights
- Houston (HOU) to Harlingen (HRL)17 flights
- Baltimore (BWI) to Valparaiso (VPS)14 flights
- Rochester (ROC) to Orlando (MCO)11 flights
- Chicago Midway (MDW) to Rochester (ROC)8 flights
Other flights from St. Louis to Chicago
More about St. Louis (STL) and Chicago Midway (MDW).
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