DL 706 then DL 2539 at Atlanta
Denver → Atlanta → Greensboro
Timetable, Atlanta time
17:48DL 706 from Denver at the gate
14:05DL 2539 to Greensboro leaves the gate
20 h 17 apart on the timetable, overnight
DL 2539 leaves 20 h 17 after DL 706 arrives on the timetable: more than half a day, so not a connection we count.