I want to see which records are aging, overdue, or exceeding their estimate from the workflow board.
Quickly identify stalled work
Spot work that has sat too long in its current status using the new Time in status field on your workflow board — then get things back on track.
I like the way this is implemented in Jira where you a number of dots on the card which shows the age in the status and in Trello where the card color fades when it gets older