How often is WN578 on time?

Across 39 flights on HOU → SAT from 2026-01-06 to 2026-03-04, WN578 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +31 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

• WN578 on BNA → MDW (27 flights)
• WN578 on DAL → MCO (50 flights)
• WN578 on MSY → MCI (7 flights)
• WN578 on ELP → DAL (8 flights)
• WN578 on DEN → MCO (1 flights)
• WN578 on LAX → DEN (23 flights)
• WN578 on SFO → LAX (23 flights)
• WN578 on LAS → SAT (5 flights)
• WN578 on SMF → LAS (5 flights)
• WN578 on CMH → FLL (5 flights)
• WN578 on SAT → DEN (28 flights)
• WN578 on SAT → MCO (27 flights)
• WN578 on AUS → IND (42 flights)
• WN578 on DEN → PDX (13 flights)
• WN578 on SAT → HOU (4 flights)
• WN578 on BNA → HOU (1 flights)
• WN578 on BWI → MCI (31 flights)
• WN578 on OAK → LGB (58 flights)
• WN578 on MCO → AUS (25 flights)
• WN578 on LAS → TPA (10 flights)

Related

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