B6 1487 then DL 3704 at LAX
Boston → Los Angeles → Aspen
Timetable, Los Angeles time
13:27B6 1487 from Boston at the gate
10:35DL 3704 to Aspen leaves the gate
21 h 08 apart on the timetable, overnight
DL 3704 leaves 21 h 08 after B6 1487 arrives on the timetable: more than half a day, so not a connection we count.