Originally Posted by
Richardc77
Thanks, sadly friends are flying on Air New Zealand, so guessing that rules guesting them in...out
The international terminal at SFO is split into two concourses, A and G, each with its own set of security channels. BA operates out of concourse A and NZ out of G. Unfortunately there isn't a sterile path between the two, so you and your friends may have to part ways before you go through security.