ZG 24 then AS 307 at LAX
Tokyo Narita → Los Angeles → San Francisco
Timetable, Los Angeles time
07:30ZG 24 from Tokyo Narita at the gate
20:07AS 307 to San Francisco leaves the gate
12 h 37 apart on the timetable
AS 307 leaves 12 h 37 after ZG 24 arrives on the timetable: more than half a day, so not a connection we count.