AC 3338 then UA 543 at San Francisco
Portland (Oregon) → San Francisco → Las Vegas
Timetable, San Francisco time
15:15AC 3338 from Portland (Oregon) at the gatealso VA 8585, NZ 9358
14:20UA 543 to Las Vegas leaves the gatealso AC 3886, NZ 9222
23 h 05 apart on the timetable, overnight
UA 543 leaves 23 h 05 after AC 3338 arrives on the timetable: more than half a day, so not a connection we count.