UA 2633 then UA 2127 at San Francisco
Denver → San Francisco → Los Angeles
Timetable, San Francisco time
17:24UA 2633 from Denver at the gatealso AC 3618, VA 8350, NZ 9068
06:00UA 2127 to Los Angeles leaves the gatealso AV 2163, NZ 9260
12 h 36 apart on the timetable, overnight
UA 2127 leaves 12 h 36 after UA 2633 arrives on the timetable: more than half a day, so not a connection we count.