UA 718 then UA 2127 at San Francisco
Mexico City → San Francisco → Los Angeles
Timetable, San Francisco time
16:44UA 718 from Mexico City at the gatealso AC 5033
05:50UA 2127 to Los Angeles leaves the gatealso AV 2163, NZ 9260
13 h 06 apart on the timetable, overnight
UA 2127 leaves 13 h 06 after UA 718 arrives on the timetable: more than half a day, so not a connection we count.