AA 1021 then DL 3704 at LAX
Chicago O'Hare → Los Angeles → Aspen
Timetable, Los Angeles time
16:01AA 1021 from Chicago O'Hare at the gate
10:35DL 3704 to Aspen leaves the gate
18 h 34 apart on the timetable, overnight
DL 3704 leaves 18 h 34 after AA 1021 arrives on the timetable: more than half a day, so not a connection we count.