Originally Posted by
Music4u
RichardInSF may be correct.
I don't think this will be best answered in the Amex forum so I am going to suggest
to the mods that it be moved to somewhere likely to be more helpful.
Thanks for the response and sorry for posting this in the wrong place.
Frankly this type of question has been asked thousands of times over the years here on Flyertalk, in various forums. You'd be best served by searching in the United and Air France forums for experiences on SFO-CDG.