遅れそう

looks like [someone] will be late, seems likely to be late

→ 遅れる

遅れ be late, be delayed + そう Looks/seems likely to

verb · informal Rare #32,210

looks like [someone] will be late, seems likely to be late The ending そう expresses that something seems likely to happen.

JA: このままだと、会議に遅れそう。

EN: At this rate, it looks like I’ll be late for the meeting.

Conjugation of 遅れる

Potential

遅れそう

I think I’m going to be late.

It looks like you're going to be late for school.

Are we going to be late?

I might be late.

— アバウト・タイム～愛おしい時間について～ (2013)

I’m going to be late for work.

He let me know that he might be late.