1
general::
Phrase(s): on time
before the deadline; by the stated time. • Please make sure that your essays are completed on time. • My taxes were not done on time, so I had to pay a penalty.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
1. Punctually, according to schedule, as in I hope the plane will be on time. [Early 1800s] 2. By paying in installments, on credit, as in They are buying their car on time. The time here refers to the designated period in which payments must be made. [Mid-1800s]
American Heritage Idioms