Originally Posted by
Mike Jacoubowsky
On one occasion it appeared that my bags didn't travel across the pond with me, taking the direct CDG-SFO instead of my CDG-IAD-SFO routing. Don't recall why I was pretty sure that was the case, knowing that it's not supposed to happen that way.
My guess would be that your bags were not on the IAD IAB carousel and that you had to deal with US customs at SFO.