How often is WN1688 on time?

Across 57 flights on STL → DEN from 2026-04-07 to 2026-06-03, WN1688 arrived within 15 minutes of schedule 51% of the time. The median arrival delay was +15 min, and the worst 10% of flights arrived +81 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

Performance by month

Performance by day of week

Other routes

• WN1688 on DEN → PIT (19 flights)
• WN1688 on HOU → STL (24 flights)
• WN1688 on BNA → GSP (1 flights)
• WN1688 on BWI → LAS (28 flights)
• WN1688 on LAS → DEN (20 flights)
• WN1688 on ELP → AUS (53 flights)
• WN1688 on IND → RSW (30 flights)
• WN1688 on TUL → PHX (24 flights)
• WN1688 on STL → SJU (4 flights)
• WN1688 on FLL → BWI (1 flights)
• WN1688 on DEN → DAL (1 flights)
• WN1688 on MCO → SJU (12 flights)
• WN1688 on MHT → BWI (42 flights)
• WN1688 on STL → DAL (8 flights)
• WN1688 on FLL → DEN (34 flights)
• WN1688 on DAL → LAS (1 flights)

Related

• All Southwest Airlines flights on STL → DEN
• Compare airlines on STL → DEN
• Southwest Airlines on the return, DEN → STL