UA 822 then QF 3741 at San Francisco
Mexico City → San Francisco → San Diego
Timetable, San Francisco time
08:44UA 822 from Mexico City at the gatealso AC 5403, NH 7369, NZ 9822
07:04QF 3741 to San Diego leaves the gate
22 h 20 apart on the timetable, overnight
QF 3741 leaves 22 h 20 after UA 822 arrives on the timetable: more than half a day, so not a connection we count.