UA 225 then NZ 9397 at San Francisco
Philadelphia → San Francisco → Boise
Timetable, San Francisco time
21:43UA 225 from Philadelphia at the gatealso VA 8238, NZ 9366
14:02NZ 9397 to Boise leaves the gate
16 h 19 apart on the timetable, overnight
NZ 9397 leaves 16 h 19 after UA 225 arrives on the timetable: more than half a day, so not a connection we count.