UA 1970 then NZ 9397 at San Francisco
Cleveland → San Francisco → Boise
Timetable, San Francisco time
21:45UA 1970 from Cleveland at the gatealso VA 8489, NZ 9046, OZ 9526
14:02NZ 9397 to Boise leaves the gate
16 h 17 apart on the timetable, overnight
NZ 9397 leaves 16 h 17 after UA 1970 arrives on the timetable: more than half a day, so not a connection we count.