How often is WN3901 on time?

Across 42 flights on SAN → SAT from 2025-11-02 to 2026-01-05, WN3901 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +47 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

• WN3901 on SFO → MDW (7 flights)
• WN3901 on LAS → RNO (4 flights)
• WN3901 on RDU → BWI (4 flights)
• WN3901 on PHX → SNA (6 flights)
• WN3901 on DAL → TPA (7 flights)
• WN3901 on DCA → MSY (5 flights)
• WN3901 on STL → TUL (42 flights)
• WN3901 on TUL → DEN (11 flights)
• WN3901 on PHX → DTW (5 flights)
• WN3901 on MKE → BWI (1 flights)
• WN3901 on BNA → DAL (4 flights)
• WN3901 on MSY → MDW (25 flights)
• WN3901 on DAL → PHX (1 flights)
• WN3901 on MDW → LGB (1 flights)

Related

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