How often is WN3997 on time?

Across 35 flights on HOU → DEN from 2025-07-01 to 2025-08-04, WN3997 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +1 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

• WN3997 on TPA → ATL (23 flights)
• WN3997 on LAS → BNA (18 flights)
• WN3997 on BWI → CHS (1 flights)
• WN3997 on CHS → BNA (1 flights)
• WN3997 on RSW → MDW (33 flights)
• WN3997 on MDW → LGB (5 flights)
• WN3997 on ABQ → MDW (47 flights)
• WN3997 on MDW → STL (25 flights)
• WN3997 on SAV → MDW (8 flights)
• WN3997 on ONT → SJC (42 flights)
• WN3997 on LAS → ONT (1 flights)
• WN3997 on PDX → LAS (1 flights)
• WN3997 on DEN → ABQ (4 flights)
• WN3997 on MHT → BWI (58 flights)

Related

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