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to be late; to be delayed; to fall behind schedule; to be overdue
to fall behind (in a race, one's studies, etc.); to lag behind; to be behind (the times)
to be slow (of a clock or watch)
to be bereaved of; to be preceded by (someone) in death
電車が遅れて困りました。
I was in trouble because the train was late.
会議に遅れないように行きます。
I will go so as not to be late for the meeting.
約束の時間に遅れてしまいました。
I was late for the appointed time.