Denny's is a popular American restaurant chain serving classic comfort food in Ontario, CA, known for its family-friendly atmosphere and generous portions. Located in Ontario, CA, they offer a wide selection of menu items and a welcoming dining experience.
Operator computes a Health score every night at 2 am HST. It is the one number that tells you if this shop is winning, losing, or steady. Here is how Denny's broke down on Apr 25, 2026.
Operator ranks every restaurant in Ontario every night at 2 am HST using reviews, response rate, and local market share.
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