Dunkin’s busiest day of 2023 was on National Donut Day which falls of the first Friday in June, while Starbucks’ busiest traffic day was November 4, the first Saturday after its holiday menu launched, according to a report from Placer.ai. Dunkin’ gives out a free donut with a drink purchase on National Donut Day, and on Friday June 2 it saw a near 50% increase in visits compared with its 2023 daily average, the report said. Starbucks meanwhile saw visits spike 68% on November 4 compared with its 2023 daily average, though Black Friday wasn’t far behind, with visits jumping almost 65% that day, according to the Placer.ai data.