AC 4229 then NZ 9628 at San Francisco
Boise → San Francisco → Salt Lake City
Timetable, San Francisco time
13:00AC 4229 from Boise at the gatealso UA 4733, EK 6020, NZ 9392
10:38NZ 9628 to Salt Lake City leaves the gate
21 h 38 apart on the timetable, overnight
NZ 9628 leaves 21 h 38 after AC 4229 arrives on the timetable: more than half a day, so not a connection we count.