Running late

I think it could be either:

Which length description are you looking for?:

6,4

10*

behind time

'running late' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Another definition for behind time that I've seen is " Late".)

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.