AV 2104 then UA 817 at San Francisco
San Luis Obispo → San Francisco → Mexico City
Timetable, San Francisco time
19:56AV 2104 from San Luis Obispo at the gate
13:14UA 817 to Mexico City leaves the gatealso AC 5402, NH 7368, NZ 9823
17 h 18 apart on the timetable, overnight
UA 817 leaves 17 h 18 after AV 2104 arrives on the timetable: more than half a day, so not a connection we count.