How often is WN4123 on time?

Across 16 flights on SAN → LAS from 2025-11-06 to 2026-01-05, WN4123 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +22 min or later. 6% 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

• WN4123 on SAT → PHX (23 flights)
• WN4123 on SAN → SJC (49 flights)
• WN4123 on OMA → MDW (15 flights)
• WN4123 on DAL → ECP (5 flights)
• WN4123 on STL → PHX (4 flights)
• WN4123 on STL → DEN (3 flights)
• WN4123 on BWI → JAX (1 flights)
• WN4123 on MDW → LAS (24 flights)
• WN4123 on STL → HOU (2 flights)
• WN4123 on TPA → IND (9 flights)
• WN4123 on BWI → BOS (2 flights)
• WN4123 on BNA → HOU (4 flights)
• WN4123 on HOU → CRP (4 flights)
• WN4123 on PHX → OMA (24 flights)
• WN4123 on DEN → IAD (7 flights)

Related

• All Southwest Airlines flights on SAN → LAS
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• Southwest Airlines on the return, LAS → SAN