Thanks, all of you! You were all so prompt in your incredibly useful replies ^

Hhhmmm, that is a pain... could to know that they WILL interline on BA/VS (IF on the same itinerary/ticket), but not good to know that Barcelona is not moving to T5. My Grandmother-in-law is in her early 80s - a determined and tough lady, but was hoping to make her life a bit easier (than having to go through FCC). Plus I am a bit worried about the baggage not getting to Barcelona: the trip plan is to spend a couple of nights in Barcelona and then we are off on a 5 day cruise (MIL's 60th birthday).

My feeling is to fly AA/UA directly to Barcelona from LAX - if those routes actually exist...

Boo