well-timed, punctual, seasonably, apropos, opportune, well timed, prompt, timeous, timeful, pretimely, more...

tardy, belated, overdue, delayed, late

current, present, immediate, contemporary, modern, more...

on cue,   at the right time,   at the proper time,   meet deadlines,   time appropriate,   in appropriate time,   time relevant,   coming in clutch,   submitted on time,   at right moment