Auckland Transport however told the Herald there are no services running at that time, and that the last bus left 45 minutes before the attack, with the next one not available until just after 5am.
Police have been approached for further comment.
A 24-year-old man has been charged with wounding with intent to cause grievous bodily harm and is due to appear at Manukau District Court.
Detective Senior Sergeant Michele Gillespie said police were called to the train station at 1.20am.