AA 2473 then DL 2267 at LAX
Boston → Los Angeles → San Francisco
Timetable, Los Angeles time
14:17AA 2473 from Boston at the gate
14:15DL 2267 to San Francisco leaves the gate
23 h 58 apart on the timetable, overnight
DL 2267 leaves 23 h 58 after AA 2473 arrives on the timetable: more than half a day, so not a connection we count.