AC 745 then QR 2134 at San Francisco
Toronto → San Francisco → Boise
Timetable, San Francisco time
21:30AC 745 from Toronto at the gatealso NZ 4737, OS 8193, OS 8217, UA 8433
18:47QR 2134 to Boise leaves the gate
21 h 17 apart on the timetable, overnight
QR 2134 leaves 21 h 17 after AC 745 arrives on the timetable: more than half a day, so not a connection we count.