How often is WN343 on time?

Across 41 flights on SMF → SEA from 2025-11-02 to 2026-01-05, WN343 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +48 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

• WN343 on PWM → BWI (7 flights)
• WN343 on TPA → SJU (12 flights)
• WN343 on AUS → ATL (4 flights)
• WN343 on DAL → ECP (4 flights)
• WN343 on FAT → DAL (4 flights)
• WN343 on LGB → PHX (32 flights)
• WN343 on PHX → MCI (32 flights)
• WN343 on PHX → BNA (7 flights)
• WN343 on OAK → LGB (1 flights)
• WN343 on STL → LGA (28 flights)
• WN343 on RNO → LAS (36 flights)
• WN343 on LAS → BUR (16 flights)
• WN343 on BWI → MIA (3 flights)
• WN343 on BOS → BNA (18 flights)
• WN343 on CMH → DAL (1 flights)
• WN343 on HNL → LIH (27 flights)
• WN343 on BWI → SAN (4 flights)
• WN343 on ATL → DAL (57 flights)
• WN343 on DEN → PIT (1 flights)
• WN343 on LAS → DEN (1 flights)
• WN343 on TUS → LAS (1 flights)
• WN343 on DEN → OMA (5 flights)
• WN343 on DAL → ABQ (5 flights)
• WN343 on AUS → PHX (10 flights)

Related

• All Southwest Airlines flights on SMF → SEA
• Compare airlines on SMF → SEA
• Southwest Airlines on the return, SEA → SMF