How often is WN4159 on time?

Across 42 flights on PIT → DEN from 2025-11-02 to 2026-01-05, WN4159 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +39 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

• WN4159 on DTW → STL (19 flights)
• WN4159 on BWI → DTW (16 flights)
• WN4159 on DTW → DEN (4 flights)
• WN4159 on BNA → MCO (58 flights)
• WN4159 on STL → BNA (8 flights)
• WN4159 on PDX → DAL (33 flights)
• WN4159 on MCO → BWI (27 flights)
• WN4159 on ATL → BWI (58 flights)
• WN4159 on ORF → BNA (24 flights)

Related

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