In addition to that, project's stages ahead-of-schedule deliveries are typically wasted, but behind-of-schedule deliveries are accumulated. As an example: Arri

In addition to that, project's stages ahead-of-schedule deliveries are typically wasted, but behind-of-schedule deliveries are accumulated. As an example: Arriving to the airport one hour in advance doesn't allow you to actually board a flight an hour earlier. But get to the airport one hour late — and you're flying tomorrow (or whenever the next flight is scheduled).