Like a false promise, Gantt charts (jokingly called “can’t charts” by some) fool us into believing that timeline accuracy based off estimates is doable. Developed by Henry Gantt in the 1910s, a Gantt chart is a type of horizontal bar chart that illustrates the start and finish dates of all the tasks in a project. The problem is that Gantt charts don’t consider the wait and blocked times that occur due to high capacity utilization of workers.
