Originally Posted by
LHCVG
Piggybacking on that, I stumbled on a UA marketing bit for what they call "Signature Service", which I gather is a fee-based personal concierge type of offering, which may be useful for this type of scenario as well, if you're worried about navigating an unfamiliar airport and ensuring all of the above proper transfer of bags and all that. No idea of pricing--surely it is a king's ransom!--but as above, YMMV.
Signature Service provides assistance at the airport, but will not be able to move the baggage
between airports. Cost is nominal - it appears to be $250 for 1 person, and $125 for each additional persons.