Just been looking on DCC website, as it has the new X35 timetable for 31st August 2014, only thing I can see that it operates 1 minute earlier from Sunderland Interchange.
http://durham.pindarcreative.co.uk/announcements.asp
http://durham.pindarcreative.co.uk/tt2/X35.pdf
RE: Go North East - Latest