I have to agree with Master Yoda, and take a taxi.
We have taken the bus before, and it took an hour. We got up almost 2 hours before our reservations, then waited and waited for a bus. Finally, one came by to take us to Animal Kingdom. Then we had to walk to the other side of the bus depot and wait and wait again for another bus to take us to Animal Kingdom Lodge. I hate being late, so I was getting stressed! Then the stopped by the DVC at Animal Kingdom, then went to the lodge. I was so stressed because it took so long, I was hungry, and we were late.
Since, we just took a taxi. It's a vacation, no reason to stress.