AC 4229 then QF 3654 at San Francisco
Boise → San Francisco → New York JFK
Timetable, San Francisco time
13:00AC 4229 from Boise at the gatealso UA 4733, EK 6020, NZ 9392
07:00QF 3654 to New York JFK leaves the gate
18 h apart on the timetable, overnight
QF 3654 leaves 18 h after AC 4229 arrives on the timetable: more than half a day, so not a connection we count.