How often is WN3974 on time?

Across 16 flights on SAN → SJC from 2026-01-10 to 2026-03-01, WN3974 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +46 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

• WN3974 on BUF → DEN (4 flights)
• WN3974 on PVD → MDW (42 flights)
• WN3974 on PHX → SNA (3 flights)
• WN3974 on DAL → SAV (15 flights)
• WN3974 on MSY → TPA (10 flights)
• WN3974 on ABQ → DAL (8 flights)
• WN3974 on BUR → LAS (8 flights)
• WN3974 on LAS → ABQ (8 flights)
• WN3974 on STL → DAL (59 flights)
• WN3974 on DAL → PHX (1 flights)
• WN3974 on MSY → MDW (31 flights)

Related

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