DL 1668 then DL 493 at Atlanta
Indianapolis → Atlanta → Denver
Timetable, Atlanta time
22:00DL 1668 from Indianapolis at the gate
20:45DL 493 to Denver leaves the gate
22 h 45 apart on the timetable, overnight
DL 493 leaves 22 h 45 after DL 1668 arrives on the timetable: more than half a day, so not a connection we count.