Behind schedule phrase
Go with words like "run/lag/fall"
Having failed to complete or finish something on time.
Owing to postponing doing my report, now I’m too far behind schedule.
Construction on many traffic infrastructure projects is lagging behind schedule because of land clearance and resettlement problems.
My project is running behind schedule, and I'm striving to put it back on the rails.
The origin of this phrase is not clear.
To become important or obvious
This matter needs to come to the fore this afternoon meeting.