せっかくの計画が台無しになる/ずれるって英語でなんて言うの？

せっかくの計画が台無しになる/ずれる The project will be delivered later than initially planned. The project will be finished later than initially planned. The project has gone to the ground せっかくの計画が画餅に帰した The scheme has fallen through. せっかくの計画が画餅に帰した