I think you are right in waiting... give him some time. Maybe he is busy at work, maybe something urgent has come up. You know when you are busy how time flies...
Also I think that some men find it difficult to multitask. (sorry!
)
If something important (in their opinion) has come up and it can't wait to be sorted out, they focus all their energy on there and forget about the world for that moment.
Use this time for yourself. Do something fun. Meet with friends that you haven't seen for a while...