my son is 15 months old.but he is not walking without help.but he can with someone's support and he walks with furniture.and he do all other activities.why his walking delay

A. A child usually learn to walk independently between the time of 12 months to 17 months so you are still left for two more months just try to encourage your child more and more to walk independently by making your child first learn to stand independently for some seconds and then it is going to work