The phrase "are in line for" typically implies someone or something is poised to receive a benefit or reward. Antonyms for this phrase might include "at the back of the line," "out of contention," "not a candidate," or "excluded." These alternative phrases suggest different levels of exclusion or disqualification from receiving the reward, ranging from being totally out of the running to simply being lower on the priority list. In general, antonyms for "are in line for" would convey a sense of being left behind, neglected, or overlooked, rather than being on the verge of success or reward.