AC 4229 then CX 7858 at San Francisco
Boise → San Francisco → Seattle
Timetable, San Francisco time
13:00AC 4229 from Boise at the gatealso UA 4733, EK 6020, NZ 9392
08:33CX 7858 to Seattle leaves the gate
19 h 33 apart on the timetable, overnight
CX 7858 leaves 19 h 33 after AC 4229 arrives on the timetable: more than half a day, so not a connection we count.