If you're going to use federal law to threaten someone, it helps to not use documents from 2001 that are no longer accurate.  The rules have since changed to allow a business to not provide a revised shipping date so long as they have a reasonable basis for doing so:

https://www.ftc.gov/tips-advice/business-center/guidance/business-guide-ftcs-mail-internet-or-telephone-order

Try harder next time.