How often is WN438 on time?

Across 40 flights on DEN → STL from 2025-08-07 to 2025-09-29, WN438 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +24 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

• WN438 on AUS → ATL (7 flights)
• WN438 on CMH → RSW (16 flights)
• WN438 on BUR → SJC (4 flights)
• WN438 on AUS → SAN (57 flights)
• WN438 on BNA → DAL (1 flights)
• WN438 on AUS → DEN (28 flights)
• WN438 on DEN → SAN (20 flights)
• WN438 on DEN → BUR (5 flights)
• WN438 on BHM → MCO (58 flights)
• WN438 on BWI → ATL (46 flights)
• WN438 on BUR → PHX (17 flights)
• WN438 on AUS → SJC (1 flights)
• WN438 on ABQ → LAS (17 flights)
• WN438 on MDW → ONT (1 flights)
• WN438 on LAX → AUS (13 flights)
• WN438 on CVG → BWI (18 flights)
• WN438 on MDW → CVG (18 flights)
• WN438 on LAS → PHX (1 flights)
• WN438 on MCO → MKE (10 flights)
• WN438 on HOU → JAN (10 flights)

Related

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