How often is WN859 on time?

Across 24 flights on BOI → SAN from 2026-04-09 to 2026-06-01, WN859 arrived within 15 minutes of schedule 96% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +5 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

• WN859 on DEN → SAT (22 flights)
• WN859 on GEG → DEN (27 flights)
• WN859 on STL → BNA (18 flights)
• WN859 on SAT → LAS (16 flights)
• WN859 on PHX → DEN (15 flights)
• WN859 on SAT → BNA (33 flights)
• WN859 on BNA → OMA (33 flights)
• WN859 on HOU → ATL (14 flights)
• WN859 on BOI → OAK (11 flights)
• WN859 on OMA → PHX (5 flights)
• WN859 on BNA → CMH (64 flights)
• WN859 on BUR → OAK (1 flights)
• WN859 on BWI → PWM (9 flights)
• WN859 on LAS → BUR (22 flights)
• WN859 on BNA → MCO (18 flights)
• WN859 on AUS → FLL (32 flights)
• WN859 on MDW → AUS (1 flights)
• WN859 on LGB → SMF (25 flights)
• WN859 on SMF → MCI (14 flights)
• WN859 on MSY → FLL (5 flights)
• WN859 on BWI → BHM (5 flights)

Related

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