UA 1948 then CA 7323 at San Francisco
Cancún → San Francisco → Los Angeles
Timetable, San Francisco time
16:52UA 1948 from Cancún at the gate
08:45CA 7323 to Los Angeles leaves the gate
15 h 53 apart on the timetable, overnight
CA 7323 leaves 15 h 53 after UA 1948 arrives on the timetable: more than half a day, so not a connection we count.