How often is WN527 on time?

Across 7 flights on ONT → SMF from 2026-06-09 to 2026-06-30, WN527 arrived within 15 minutes of schedule 43% of the time. The median arrival delay was +17 min, and the worst 10% of flights arrived +41 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

• WN527 on MCI → ATL (12 flights)
• WN527 on PNS → DEN (4 flights)
• WN527 on BNA → PNS (4 flights)
• WN527 on DEN → LGB (4 flights)
• WN527 on LAX → PHX (1 flights)
• WN527 on BOS → MDW (33 flights)
• WN527 on BNA → JAX (58 flights)
• WN527 on HNL → KOA (55 flights)
• WN527 on BNA → CHS (1 flights)
• WN527 on IND → MCO (5 flights)
• WN527 on AUS → TUL (1 flights)
• WN527 on JAX → AUS (1 flights)
• WN527 on TUL → PHX (1 flights)
• WN527 on AUS → BNA (25 flights)
• WN527 on BUR → AUS (4 flights)
• WN527 on CMH → STL (42 flights)
• WN527 on STL → MCI (15 flights)
• WN527 on PHX → ELP (1 flights)
• WN527 on ORD → DEN (35 flights)
• WN527 on DEN → FAT (5 flights)

Related

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