>>54175728Dad-Anon here. We have a system of punishment in which for every minute he's late, 2 minutes are added as "Dad Time." I use that Dad Time to have him grind in my mobile games, which he generally dislikes and tries to avoid, so it's good incentive to help him watch the clock. Things like bedtime, showing up to meals, whatever chores he has to show up for. It's all time management. Generally works.