Southwest Airlines
WN1688St. Louis to Denver
Southwest Airlines flight WN1688 flies from St. Louis (STL) to Denver (DEN), 1,236 km. Over August 2025 to July 2026 it usually arrives about 14 minutes late: 72% of 352 flights arrived within 15 minutes of schedule and 0.9% were cancelled (US Department of Transportation data).
On-time record, last 12 months
72%
on time (within 15 min)
19%
more than 30 min late
0.9%
cancelled
+14 min
average arrival vs schedule
Every operation of WN1688, August 2025 to July 2026: 352 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as WN1688
- St. Louis (STL) to Denver (DEN)57 flights
- El Paso (ELP) to Austin Bergstrom (AUS)53 flights
- Denver (DEN) to Pittsburgh (PIT)42 flights
- Manchester NH (MHT) to Baltimore (BWI)42 flights
- Indianapolis (IND) to Fort Myers (RSW)30 flights
- Baltimore (BWI) to Las Vegas (LAS)28 flights
- Tulsa (TUL) to Phoenix Sky Harbor (PHX)24 flights
- Houston (HOU) to St. Louis (STL)24 flights
- Las Vegas (LAS) to Denver (DEN)20 flights
- Orlando (MCO) to San Juan (SJU)12 flights
Other flights from St. Louis to Denver
More about St. Louis (STL) and Denver (DEN).
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