Last updated: Aug 27, 2025 TL;DR: Most job shops track due date performance with “percent on-time,” but that metric is misleading (it’s an effect), and it doesn’t help you to improve (find the causes).  Here’s what to measure instead. Due date performance (DDP, also called On-time Delivery) is a common metric used both internally and … Continue reading How to measure Due Date Performance so you CAN improve it!