We are arriving Saturday morning for our Monday wedding, and I am asking our wedding party to arrive at some time on Saturday as well, as the rehearsal will be on Sunday. The rest of our guests I am telling to arrive whenever they like, but because we are doing a DP for our wedding party on Sunday, I would really like them all to plan on being there Saturday, that way if they face delays, they should still be there in time. I think 2 days before is plenty.