I'll be flying into FRA from SFO in April, with a scheduled arrival at 9:45am. From FRA I'll be taking a train to Berlin. I'm wondering how long I should plan to take to exit the plane, claim my baggage, and navigate through passport control/etc. I'm planning on taking a train that leaves about two hours after I arrive at the airport -- does this sound like enough time to others who have gone directly to the train station after landing?