AA 2141 then DL 3704 at LAX
Boston → Los Angeles → Aspen
Timetable, Los Angeles time
14:05AA 2141 from Boston at the gate
10:35DL 3704 to Aspen leaves the gate
20 h 30 apart on the timetable, overnight
DL 3704 leaves 20 h 30 after AA 2141 arrives on the timetable: more than half a day, so not a connection we count.