on schedule
at the planned time

[TahlilGaran] Dictionary of Contemporary English ▲

on schedule
happening or done at the time that was planned or intended.
The trains run pretty much on schedule, except when the weather is really bad.

[TahlilGaran] English Idioms Dictionary ▲

on schedule
to be at the expected or desired time
The train arrived on schedule and we found our friend easily.

[TahlilGaran] English Idioms Dictionary ▲

on schedule
on schedule¹ adv. phr. As planned or expected; at the right time.
The school bus arrived at school on schedule.
The four seasons arrive on schedule each year.
Compare: ON TIME.
on schedule² adj. phr. Punctual; as planned.
The new airline claims to have more on schedule arrivals than the competition.

[TahlilGaran] English Idioms Dictionary ▲