How often is WN1531 on time?

Across 18 flights on HOU → STL from 2025-08-05 to 2025-10-01, WN1531 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +42 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

• WN1531 on GRR → MDW (7 flights)
• WN1531 on MDW → PHX (4 flights)
• WN1531 on LBB → HOU (15 flights)
• WN1531 on LAS → LBB (7 flights)
• WN1531 on DEN → SDF (1 flights)
• WN1531 on LAS → DEN (1 flights)
• WN1531 on LAX → LAS (1 flights)
• WN1531 on SJC → LAX (1 flights)
• WN1531 on BUR → DEN (33 flights)
• WN1531 on DEN → MKE (53 flights)
• WN1531 on LBB → DAL (44 flights)
• WN1531 on DAL → TUL (30 flights)
• WN1531 on SAT → DAL (18 flights)
• WN1531 on DAL → SAT (1 flights)
• WN1531 on SAT → MCO (1 flights)
• WN1531 on MCI → DAL (1 flights)
• WN1531 on SDF → DEN (1 flights)
• WN1531 on MCO → ROC (25 flights)
• WN1531 on CHS → DEN (24 flights)
• WN1531 on BWI → AUS (14 flights)
• WN1531 on BUR → OAK (35 flights)
• WN1531 on OAK → DAL (10 flights)

Related

• All Southwest Airlines flights on HOU → STL
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• Southwest Airlines on the return, STL → HOU