lumps and bumps in the settlement process

he said "it is almost guaranteed it will happen on time." I said, "it did not work the time before. How certain is almost guaranteed?" he said "90%". Well in the industry I work in 99.9999% is considered to be almost acceptable and we aim for 99.9999999%. 90% is not guaranteed at all! Anyway things are not going well. There is one outstanding item. The person in the other party's solicitor's firm is on holidays. They have not provided the final details. That was yesterday morning. I will call this morning to see if it has been sorted.