How often is WN104 on time?

Across 57 flights on ONT → SMF from 2025-08-05 to 2025-10-01, WN104 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +21 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

• WN104 on HOU → SJU (7 flights)
• WN104 on ISP → MCO (16 flights)
• WN104 on MDW → SMF (4 flights)
• WN104 on SJC → DEN (32 flights)
• WN104 on DEN → ORD (33 flights)
• WN104 on LAS → LAX (46 flights)
• WN104 on SEA → LAS (14 flights)
• WN104 on ABQ → BWI (11 flights)
• WN104 on SAN → LAS (42 flights)
• WN104 on SAT → PHX (13 flights)
• WN104 on MDW → SJU (5 flights)
• WN104 on OAK → GEG (4 flights)
• WN104 on ABQ → BUR (1 flights)
• WN104 on MDW → ABQ (1 flights)
• WN104 on IAD → DEN (31 flights)
• WN104 on HOU → SAN (1 flights)
• WN104 on SAN → SMF (1 flights)
• WN104 on LAS → SLC (1 flights)
• WN104 on BOI → SJC (20 flights)

Related

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