AA 6443 then DL 3704 at LAX
Austin → Los Angeles → Aspen
Timetable, Los Angeles time
15:52AA 6443 from Austin at the gate
10:35DL 3704 to Aspen leaves the gate
18 h 43 apart on the timetable, overnight
DL 3704 leaves 18 h 43 after AA 6443 arrives on the timetable: more than half a day, so not a connection we count.