In operation seven nights a week from mid-September to mid-June from 8:35 p.m. until 2:35 a.m. Last pick up between 1:55 a.m. and 2:35 a.m., depending on location. No service on university holidays (except Thanksgiving). Please refer to the academic calendar for more information on university holidays: https://registrar.stanford.edu/resources-and-help/stanford-academic-calendar