why is it that the product paid for does not reach on the last deadline date or is never delivered

[sunilrae2014]

 I have paid for . it is 

50 Feet Round Aluminum Jewelry & Craft Wire 16 Gauge Choose Color

( 370759263841 )

color: gold

Quantity: 10

Estimated delivery Fri, Oct 17 - Fri, Oct 31

Tracking number: Tracking numberLJ665269478US

However it has not been delivered to date

please revert at the earliest