be on track(To progress or develop as planned, scheduled, or expected. Everyone in our entire department is on track to meet their sales quotas for the year. The project was on track before the boss up and quit, but who knows when we'll get it finished now! thefreedictionary.comAlexander Demidov)
get off the rails(to start behaving in a way that is not generally acceptable, especially dishonestly or illegally: He went off the rails in his first year at university. Bullfinch)
