UA 1341 then UA 648 at San Francisco
Detroit → San Francisco → Las Vegas
Timetable, San Francisco time
19:31UA 1341 from Detroit at the gatealso OZ 9538
12:28UA 648 to Las Vegas leaves the gatealso AC 4078, VA 8120, NZ 9228
16 h 57 apart on the timetable, overnight
UA 648 leaves 16 h 57 after UA 1341 arrives on the timetable: more than half a day, so not a connection we count.