UA 405 then DL 3704 at LAX
Denver (DEN) → Los Angeles → Aspen
Timetable, Los Angeles time
11:29UA 405 from Denver (DEN) at the gate
10:35DL 3704 to Aspen leaves the gate
23 h 06 apart on the timetable, overnight
DL 3704 leaves 23 h 06 after UA 405 arrives on the timetable: more than half a day, so not a connection we count.