FlyerTalk Evangelist and Ambassador: The British Airways Club
Join Date: Jun 2008
Location: Somewhere between 0 and 13,000 metres high
Programs: AF/KL Life Plat, BA GGL+GfL, ALL Diam, Hilton Diam, Marriott Gold, blablablah, etc
Posts: 33,120
The answer to your specific question is that SJC immigration is much, much better than LAX, but quite frankly, personally, I'd never consider adding a connection in such a case. As for cabins, J on the 789 is really nothing special. F on the 789 is nice but personally I prefer it on the 388.