How often is WN1660 on time?

Across 27 flights on DEN → ONT from 2026-06-04 to 2026-06-30, WN1660 arrived within 15 minutes of schedule 70% of the time. The median arrival delay was +6 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

• WN1660 on SAN → LAS (57 flights)
• WN1660 on LAS → OAK (7 flights)
• WN1660 on OAK → PDX (7 flights)
• WN1660 on BWI → AUS (33 flights)
• WN1660 on BNA → DCA (33 flights)
• WN1660 on IND → BNA (7 flights)
• WN1660 on DEN → SLC (11 flights)
• WN1660 on LAS → SAN (1 flights)
• WN1660 on BWI → DAL (57 flights)
• WN1660 on DAL → MCI (13 flights)
• WN1660 on FLL → SJU (1 flights)
• WN1660 on BWI → BDL (31 flights)
• WN1660 on PHX → ABQ (50 flights)
• WN1660 on BUR → PHX (7 flights)
• WN1660 on BNA → SAT (24 flights)
• WN1660 on DCA → BNA (29 flights)
• WN1660 on SAT → ELP (20 flights)
• WN1660 on BNA → LGB (5 flights)
• WN1660 on ELP → LAX (1 flights)

Related

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