UA 5599 then CM 1069 at San Francisco
Carlsbad → San Francisco → Los Angeles
Timetable, San Francisco time
15:30UA 5599 from Carlsbad at the gate
13:50CM 1069 to Los Angeles leaves the gate
22 h 20 apart on the timetable, overnight
CM 1069 leaves 22 h 20 after UA 5599 arrives on the timetable: more than half a day, so not a connection we count.