It’s important! You should make sure that you keep projects on schedule. Always remember that it will not only assist you in completing your project on time, in fact, it will also help you to stay away from unnecessary cost that overruns because of slippage of a schedule.
You need to understand that as you get over the prescribed time so it will definitely increase the cost hence you should not overlook it. You should make sure that you calculate your schedule variance in a precise manner.