Hi!
We're taking the Auto Train on May 3rd and sailing on the May 5th Wonder. We had planned on driving both ways, but with the good price I got (2 adults, 4 children and van - $580.00) for one way, it was worth it to drive down. The price northbound was an additional $800, so I passed.
I wasn't willing to take the chance of arriving on Sun. morning as there is always a chance of the train running late. We have taken the train many times and only once did we arrive late (12:00 p.m.) I just didn't want the stress of being on the train and worrying about "missing the boat!!!"
We will arrive on Sat. a.m. and stay at the Swan with their $149 cruise special. Then on Sun. a.m. we will drive to the port.
I would be happy to answer any questions you have regarding the Auto Train.
Good Luck!
P.S. I wouldn't wait too long to book -- the longer you wait the hire the price gets!