How often is WN1421 on time?

Across 44 flights on SMF → LAX from 2025-11-02 to 2026-01-05, WN1421 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +69 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

• WN1421 on DAL → VPS (20 flights)
• WN1421 on DEN → DAL (4 flights)
• WN1421 on TUS → LAS (26 flights)
• WN1421 on MDW → TUS (42 flights)
• WN1421 on TUS → PHX (24 flights)
• WN1421 on SMF → PHX (7 flights)
• WN1421 on ATL → PHX (18 flights)
• WN1421 on PHX → LAX (8 flights)
• WN1421 on SJC → LAS (58 flights)
• WN1421 on PDX → SJC (3 flights)
• WN1421 on GSP → BWI (18 flights)
• WN1421 on DEN → MDW (1 flights)
• WN1421 on ABQ → LAS (5 flights)
• WN1421 on LAS → PSP (5 flights)
• WN1421 on PSP → DEN (5 flights)
• WN1421 on PWM → BWI (5 flights)
• WN1421 on SAN → SJC (8 flights)
• WN1421 on AUS → ABQ (4 flights)
• WN1421 on STL → MCO (58 flights)
• WN1421 on DAL → ECP (35 flights)
• WN1421 on AUS → DAL (1 flights)

Related

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• Southwest Airlines on the return, LAX → SMF