How often is WN159 on time?

Across 33 flights on ONT → AUS from 2026-03-05 to 2026-04-06, WN159 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +26 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

• WN159 on ALB → MCO (7 flights)
• WN159 on DEN → ALB (7 flights)
• WN159 on ALB → BWI (16 flights)
• WN159 on BNA → ALB (16 flights)
• WN159 on LAX → BNA (4 flights)
• WN159 on GEG → LAS (32 flights)
• WN159 on LAS → MCI (32 flights)
• WN159 on DEN → CMH (53 flights)
• WN159 on MDW → TPA (5 flights)
• WN159 on FAT → SAN (60 flights)
• WN159 on DEN → FAT (29 flights)
• WN159 on LAS → BNA (1 flights)
• WN159 on ABQ → DEN (31 flights)
• WN159 on DAL → ABQ (4 flights)
• WN159 on SAT → DAL (3 flights)
• WN159 on HOU → SDF (39 flights)
• WN159 on ABQ → HOU (24 flights)
• WN159 on LAS → OMA (1 flights)
• WN159 on OMA → DAL (1 flights)
• WN159 on RDU → AUS (35 flights)
• WN159 on AUS → SNA (1 flights)

Related

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