How to tell a client your delivery will be late

Updated October 28, 2026

A file takes longer than expected, you get sick, a supplier is late. Most clients accept a delay. What they don't accept is hearing about it after the deadline. Tell them early, give a new date, and keep it short.

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Ready replies

Replace the parts in [brackets] before you send.

Short delay

Hi [Name], a quick update on your order: I need a little more time to get [the final part] right. I'll deliver by [day, date] at the latest. Thanks for your patience!

Longer delay, with progress

Hi [Name], I want to let you know early: because of [short reason], your order will be [2] days late. [The first half] is already done, and I can send you a preview today. Is [new date] OK for you?

Delay with something extra

Hi [Name], I'm sorry, but I won't make the original deadline. I'll deliver by [date], and I'll add [an extra revision] at no cost for the wait. Thank you for understanding.

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