UA 651 then DL 2267 at LAX
Baltimore → Los Angeles → San Francisco
Timetable, Los Angeles time
14:18UA 651 from Baltimore at the gate
14:15DL 2267 to San Francisco leaves the gate
23 h 57 apart on the timetable, overnight
DL 2267 leaves 23 h 57 after UA 651 arrives on the timetable: more than half a day, so not a connection we count.