(1) {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. (2) {adj. phr.} Punctual; as planned. * /The new airline claims to have more on schedule arrivals than the competition./
ON SCHEDULE
Meaning of ON SCHEDULE in English
Slang English vocab. Английский сленговый словарь. 2012