Just three months ago headlines exclaimed a woman was arrested in Dallas-Ft Worth International Airport for carrying CBD in one of her bags. This will not be happening again thanks to TSA's recent change.
TSA, according to their official website and twitter account, take the position that medical marijuana and CBD can be packed in checked as well as carry-on bags. You are free to move around the country once again.
The official TSA position can be read here on the TSA website.