How often is WN523 on time?

Across 12 flights on HOU → SLC from 2026-01-10 to 2026-03-04, WN523 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +18 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

• WN523 on LGA → STL (19 flights)
• WN523 on AUS → ONT (4 flights)
• WN523 on TPA → LAS (4 flights)
• WN523 on BWI → ISP (4 flights)
• WN523 on ISP → TPA (4 flights)
• WN523 on PVD → TPA (26 flights)
• WN523 on CMH → BWI (33 flights)
• WN523 on RDU → STL (22 flights)
• WN523 on HOU → BWI (64 flights)
• WN523 on ORD → LAS (31 flights)
• WN523 on LAS → PHX (5 flights)
• WN523 on PHX → MCO (5 flights)
• WN523 on BWI → PIT (34 flights)
• WN523 on AUS → DAL (14 flights)
• WN523 on DEN → ELP (25 flights)
• WN523 on ELP → AUS (14 flights)
• WN523 on ABQ → BUR (5 flights)
• WN523 on DAL → PDX (13 flights)
• WN523 on SJC → DEN (10 flights)
• WN523 on ELP → LGB (10 flights)

Related

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