UA 405 then KJ 286 at LAX
Denver → Los Angeles → San Francisco
Timetable, Los Angeles time
11:29UA 405 from Denver at the gate
03:35KJ 286 to San Francisco leaves the gate
16 h 06 apart on the timetable, overnight
KJ 286 leaves 16 h 06 after UA 405 arrives on the timetable: more than half a day, so not a connection we count.