Continued connectivity drops in the PM hours in the 38066 zip

We continue to experience connection drops every afternoon.  It can happen 2 to 4 times daily.  Most of the time it may take resetting our modem or re-establishing our connection to Xfinity to correct, but even that takes a few tries to work.  Are others experiencing these problems in that zipcode?  What other system wide issues could be driving this behavior.  This started about 3 weeks ago.