When You Need To Admit A Delay messages in a Friendly tone

I need to own that this is taking longer than I said.

I’m not where I planned to be on this yet.

I need to own that this is moving slower than I said it would.

I’m behind on this deliverable and wanted to be clear about it.

I should’ve paced this better—I'm running behind.

I’m delayed on this and didn’t want to leave you guessing.

This slipped past my expected timeline.

This is still in progress and running late.

This is taking more time than I originally thought.

I’m not done yet and need a bit more time.