How often is WN3151 on time?

Across 12 flights on ONT → LAS from 2026-06-04 to 2026-06-29, WN3151 arrived within 15 minutes of schedule 67% of the time. The median arrival delay was +14 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

• WN3151 on SJC → ONT (27 flights)
• WN3151 on PDX → SJC (4 flights)
• WN3151 on MDW → HOU (49 flights)
• WN3151 on DCA → STL (33 flights)
• WN3151 on PHX → HOU (58 flights)
• WN3151 on IND → BWI (46 flights)
• WN3151 on RSW → DEN (5 flights)
• WN3151 on BNA → IND (24 flights)
• WN3151 on SAT → DAL (18 flights)
• WN3151 on LAX → DEN (58 flights)
• WN3151 on HOU → MDW (14 flights)
• WN3151 on LAS → MCO (1 flights)
• WN3151 on SMF → LAS (1 flights)

Related

• All Southwest Airlines flights on ONT → LAS
• Compare airlines on ONT → LAS
• Southwest Airlines on the return, LAS → ONT