AS 634 then DL 1412 at San Francisco
Las Vegas → San Francisco → Seattle
Timetable, San Francisco time
17:41AS 634 from Las Vegas at the gatealso QF 3697, FJ 5841, AA 7412, CX 7935, QR 8861
14:12DL 1412 to Seattle leaves the gatealso KE 3084, KL 7820, MU 8715
20 h 31 apart on the timetable, overnight
DL 1412 leaves 20 h 31 after AS 634 arrives on the timetable: more than half a day, so not a connection we count.