Movie previews at Regal theaters typically last around 25 to 30 minutes in total. This includes approximately 12 minutes of ads or commercials before the actual trailers begin, followed by about 15 to 20 minutes of movie previews
. Some reports mention that the total time from scheduled showtime to the actual start of the movie can be up to 30 minutes, which includes ads and previews combined
. This duration has increased over recent months and can vary slightly depending on the film and location, but 25-30 minutes is a common range observed by many moviegoers
