Originally Posted by
roberino
Same as the other posters. CDG is a nightmare for connecting flights/baggage/immigration. Unless you have a flex ticket with UA they won't change your flight for an affordable fee.
UA does have an unpublished "flat tire" rule. But who knows if there will be seats on next flight or if Paris will honor this "rule."
Second the idea of flying day before or just taking train if it's too expensive to fly.
A long time ago I took a sleeper from Paris to Nice. Not sure how many are still running with LCCs around, but consider that price of hotel night.