If I am you I will choose BA308. Flightaware actually says it arrives 15-30 minutes early in the past so if you want to go home early you can pick BA306 though as you say it will reduce your time in CCR.
If you ask me wheather it's a risky connection or not I will say 'no' to you.
Last edited by cysyuen; Aug 28, 2015 at 10:44 am