Denny's is a popular restaurant serving classic American fare and a welcoming atmosphere, known for its generous portions and consistently delicious food in Glen Carbon, IL. We offer dine-in, takeout, and catering options for a satisfying dining experience.
Operator computes a Health score every night at 2 am HST. It's the one number that tells you if this shop is winning, losing, or steady. Here's how Denny's broke down on Apr 27, 2026.
Denny's is indexed in Operator's Restaurant market index for Glen Carbon, IL.
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