 In evaluating whether the delay in a particular case is unreasonable, however, courts must allow a substantial degree of flexibility.Courts cannot ignore the often unavoidable delays in transporting arrested persons from one facility to another, handling late-night bookings where no magistrate is readily available, obtaining the presence of an arresting officer who may be busy processing other suspects or securing the premises of an arrest, and other practical realities.Where an arrested individual does not receive a probable cause determination within 48 hours, the calculus changes.