F9 2350 then DL 4011 at Denver
Las Vegas → Denver → Aspen
Timetable, Denver time
14:41F9 2350 from Las Vegas at the gate
11:40DL 4011 to Aspen leaves the gate
20 h 59 apart on the timetable, overnight
DL 4011 leaves 20 h 59 after F9 2350 arrives on the timetable: more than half a day, so not a connection we count.