Amazon Preparing For Shipment
It was to be sent from July 1416.
In most cases, the estimate is more or less the same. Absolutely no positive guarantee.
You asked Maybe it's missing. It can now be packaged and handled.
Emphasize that some places may be closed from time to time. People call it a holiday. You do not send packages to the post office every minute. You ship them by freight.
Expect them not to follow you inch by step. The system is not perfect. Most packages arrive shortly before their expected delivery.
They will not send your item unless they provide a tracking number. You can check the status of your order, but be prepared for delays.