AS 634 then PD 672 at San Francisco
Las Vegas → San Francisco → Toronto
Timetable, San Francisco time
17:41AS 634 from Las Vegas at the gatealso QF 3697, FJ 5841, AA 7412, CX 7935, QR 8861
13:45PD 672 to Toronto leaves the gatealso TS 7672, AA 9132
20 h 04 apart on the timetable, overnight
PD 672 leaves 20 h 04 after AS 634 arrives on the timetable: more than half a day, so not a connection we count.