How often is WN1218 on time?

Across 7 flights on HOU → STL from 2026-04-12 to 2026-05-31, WN1218 arrived within 15 minutes of schedule 43% of the time. The median arrival delay was +26 min, and the worst 10% of flights arrived +33 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

• WN1218 on COS → DAL (23 flights)
• WN1218 on DAL → LIT (7 flights)
• WN1218 on LIT → DEN (7 flights)
• WN1218 on DAL → FLL (4 flights)
• WN1218 on OAK → HOU (4 flights)
• WN1218 on BWI → MIA (58 flights)
• WN1218 on MIA → HOU (7 flights)
• WN1218 on MIA → AUS (1 flights)
• WN1218 on LAX → OAK (33 flights)
• WN1218 on PHX → LAX (20 flights)
• WN1218 on STL → LAX (5 flights)
• WN1218 on HOU → LAX (8 flights)
• WN1218 on DAL → DEN (58 flights)
• WN1218 on HOU → DEN (46 flights)
• WN1218 on BNA → MIA (18 flights)
• WN1218 on DEN → SLC (15 flights)
• WN1218 on LAX → SJC (15 flights)
• WN1218 on SLC → LAX (15 flights)
• WN1218 on BWI → HOU (23 flights)
• WN1218 on DAL → LAX (1 flights)
• WN1218 on LAX → SFO (1 flights)
• WN1218 on OAK → MDW (25 flights)
• WN1218 on MDW → MSY (8 flights)
• WN1218 on BNA → ORF (50 flights)
• WN1218 on SJC → BNA (30 flights)
• WN1218 on LAS → SJC (10 flights)
• WN1218 on PDX → SJC (10 flights)

Related

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