Originally Posted by
130 fsw
At SFO, the PC is currently in a different terminal than UA with no connection to UA gates other than Airtrain or walking through the parking structure, both outside security.
You can walk from the PC (landside) through the int'l terminal to UA in 10 minutes or so. However, if you've already been to UA to check in/bags, etc., you will get your preflight exercise (which I've done before!)