DL 523 then B6 1488 at LAX
Detroit → Los Angeles → Boston
Timetable, Los Angeles time
10:28DL 523 from Detroit at the gate
22:45B6 1488 to Boston leaves the gate
12 h 17 apart on the timetable
B6 1488 leaves 12 h 17 after DL 523 arrives on the timetable: more than half a day, so not a connection we count.