Is Denny'S Open 24/7. Denny's at 4445 benning rd ne offers 24/7 dining near you! As of november 1, almost 870 of the company’s 1,459 u.s.
Restaurants, or about 60 percent, are operating at 24/7. The chain has been clawing back hours month after month, and by the end of january, 50% of its 1,640 u.s.