間に合わないんじゃないだろうか。

to be in time for; to serve (suit, meet) the purpose; to be good enough; to be enough

yes; yeah; uh huh; negative verb ending used in informal speech (abbr. of negative verb ending "nu"); abbr. of particle "no"; abbr. of particle "ni" (used especially when it precedes the verb "naru")

then; well; so; well then; combination of 'de' and 'wa' particles; plain copula

be; is; indicates past or completed action; indicates light imperative

indicates a question (sometimes rhetorical); or; whether or not; some- (e.g. something, someone); indicates doubt, uncertainty, etc.; emphatic prefix; suffix forming adjectives or adverbs; in that way