How often is WN4133 on time?

Across 13 flights on LAS → ONT from 2026-03-09 to 2026-04-06, WN4133 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +23 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

• WN4133 on RNO → LAS (19 flights)
• WN4133 on SJC → RNO (12 flights)
• WN4133 on RIC → BWI (58 flights)
• WN4133 on DEN → RIC (42 flights)
• WN4133 on MDW → RIC (8 flights)
• WN4133 on MCO → RIC (8 flights)
• WN4133 on DEN → SNA (13 flights)
• WN4133 on SNA → SJC (8 flights)
• WN4133 on HOU → BNA (1 flights)
• WN4133 on LAS → DEN (1 flights)
• WN4133 on BNA → MDW (10 flights)
• WN4133 on MCO → MCI (1 flights)
• WN4133 on BWI → MHT (1 flights)
• WN4133 on DEN → LAS (31 flights)
• WN4133 on DAL → LIT (5 flights)
• WN4133 on LAS → LAX (5 flights)
• WN4133 on LIT → DEN (5 flights)
• WN4133 on SAT → DAL (5 flights)
• WN4133 on LAS → BUR (8 flights)
• WN4133 on LAS → MCO (4 flights)
• WN4133 on PIT → RSW (57 flights)

Related

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