When to upgrade shipping for Christmas 2016?

Get it in time for Christmas

DVD shipping (1 to 5 DVDs)
The cut off for free Standard Shipping is Saturday the 17th. Monday the 19th if you are feeling lucky (or are geographically close to Indianapolis) On the 21st, a Priority Mail upgrade is a safer bet.  On the 22nd, better make it Overnight.  On the 23rd, make it Overnight and cross your fingers.

Shipping for atlases and books
The cut off for free Standard Shipping for delivery before Christmas is Saturday the 10th. Tuesday the 13th if you are feeling lucky (or are geographically close to Indianapolis) On the 21st, a Priority Mail upgrade will be needed.  On the 22nd, better make it Overnight.  On the 23rd, make it Overnight and cross your fingers.