Originally Posted by
LupineChemist
Since connecting between terminals is such a pain and unpredictable, I would say your best bet is to get the bus or taxi direct to Atocha and buy a flexible train ticket on the AVE so you can just get on the next one available and there are plenty.
It also saves you the trouble of getting from BCN to the city center in Barcelona as well.
If you want to stick with flying, just buy an air bridge ticket that is completely flexible.
Oh, I figured that it would be easier to take a flight being at the airport already. Just looking for timings. I'll look into the train more as well.
I've never heard of air bridge, I'll look into it.