Originally Posted by
channa
1. If your record is flagged for IRROPS, it will allow airport changes. So if FRA-IAH is late, even if you'll make the connection, it will allow you to re-checkin and then you can pick alternate airports.
2. Forget the Caltrain. The Monterey Airbus runs SJC-SFO for $20, door to door. Make a reservation from IAH if it looks like you'll be needing that:
http://montereyairbus.com/ride/index.php/schedule
The first one goes at 5:30AM... what can you do at SJC during those 5 hours?

Any lounges open?