Don't reference data books, those are completely useless.
When has it been proven she was using raw power, with no chakra?
Neji's pokes are a lot faster than Tsunade's punches, and Hinata is used to blocking and dodging them in rapid session. When Neji uses the 64 palm, he is poking so fast that it's a blur... Tsunades punches are not like this and Hinata would easily dodge them. Not only that she could out do her and land a blow. Especially if she has the twin lion's fist active, a graze from that and it's game over.
So Hinata can jump if the ground crumbles and she can watch Tsunade's acitons through the smoke, via the Byakugan, and if she approaches her in mid-air she can use the trigram protection.... that simple.
I think I hurt the Tsunade fan girl club with this thread... I'm just looking at the abilities and comparing them. The only chance Tsunade stands against Hinata is her summon Jutsu.