How often is WN1522 on time?

Across 28 flights on SJC → ONT from 2026-04-09 to 2026-06-01, WN1522 arrived within 15 minutes of schedule 61% of the time. The median arrival delay was +7 min, and the worst 10% of flights arrived +40 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

• WN1522 on DEN → DAL (23 flights)
• WN1522 on LGB → RNO (4 flights)
• WN1522 on RNO → AUS (4 flights)
• WN1522 on AUS → ATL (4 flights)
• WN1522 on MCO → PHX (1 flights)
• WN1522 on MDW → PHX (22 flights)
• WN1522 on PHX → RNO (5 flights)
• WN1522 on LAS → SFO (8 flights)
• WN1522 on DEN → MDW (28 flights)
• WN1522 on DAL → MDW (42 flights)
• WN1522 on SJC → DEN (18 flights)
• WN1522 on ABQ → DAL (24 flights)
• WN1522 on LAS → BZN (1 flights)
• WN1522 on PHX → LAS (1 flights)
• WN1522 on HOU → AUS (23 flights)
• WN1522 on AUS → HRL (21 flights)
• WN1522 on STL → AUS (8 flights)
• WN1522 on PHX → PDX (18 flights)
• WN1522 on LAS → PHX (40 flights)
• WN1522 on PHX → STL (34 flights)
• WN1522 on BNA → AUS (1 flights)

Related

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