UA 2615 then AC 740 at San Francisco
Portland (Oregon) → San Francisco → Toronto
Timetable, San Francisco time
21:18UA 2615 from Portland (Oregon) at the gatealso AC 3339, LH 7841, VA 8461, NZ 9352
12:00AC 740 to Toronto leaves the gatealso SQ 1018, NZ 4724, OS 8216, UA 8292
14 h 42 apart on the timetable, overnight
AC 740 leaves 14 h 42 after UA 2615 arrives on the timetable: more than half a day, so not a connection we count.