не опаздывал

not be late

→ не
phrase Rare #30,533
not be late Used in a чтобы-clause to express a request, instruction, or precaution that a male person should not be late. The subject is often omitted because it is understood from context.
RU: Я напомню ему, чтобы он не опаздывал.
EN: I'll remind him not to be late.