How often is WN178 on time?

Across 47 flights on SAN → SJC from 2026-01-06 to 2026-03-04, WN178 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +23 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

• WN178 on DEN → BZN (7 flights)
• WN178 on ATL → AUS (20 flights)
• WN178 on BWI → SAT (4 flights)
• WN178 on MCO → BDL (4 flights)
• WN178 on ALB → MCO (57 flights)
• WN178 on BWI → ALB (24 flights)
• WN178 on DTW → BWI (1 flights)
• WN178 on MDW → DTW (1 flights)
• WN178 on BWI → TPA (1 flights)
• WN178 on AUS → LGB (33 flights)
• WN178 on FLL → PHX (3 flights)
• WN178 on SAN → BNA (46 flights)
• WN178 on ABQ → MCI (13 flights)
• WN178 on HOU → ELP (5 flights)
• WN178 on ATL → BNA (1 flights)
• WN178 on RDU → BNA (23 flights)
• WN178 on LAX → SMF (42 flights)
• WN178 on ABQ → LAX (24 flights)
• WN178 on MHT → BWI (15 flights)
• WN178 on BWI → BUF (8 flights)
• WN178 on BUF → LAS (1 flights)
• WN178 on FLL → TPA (24 flights)
• WN178 on TPA → BUF (24 flights)

Related

• All Southwest Airlines flights on SAN → SJC
• Compare airlines on SAN → SJC
• Southwest Airlines on the return, SJC → SAN