At your sons age he should be able to say what he wants and the court should take that into account. Document all the times your H hasn't kept an appointment. Keep emotion out of time with the L, it will save money.
I am so terribly sorry that you are going through this. Divorce bites. Take care of you, you will get through this.
kat
Me-53(and learning!) S24, S21, D18, D17 Just keep swimming, Just keep swimming. Dory