UA 2356 then AC 738 at San Francisco
Las Vegas → San Francisco → Toronto
Timetable, San Francisco time
08:59UA 2356 from Las Vegas at the gatealso AC 3488, OZ 6341, CA 7252, NH 7309, VA 8128, NZ 9236
08:25AC 738 to Toronto leaves the gate
23 h 26 apart on the timetable, overnight
AC 738 leaves 23 h 26 after UA 2356 arrives on the timetable: more than half a day, so not a connection we count.