DL 3052 then DL 512 at Atlanta
Greensboro → Atlanta → Dallas
Timetable, Atlanta time
13:55DL 3052 from Greensboro at the gate
13:48DL 512 to Dallas leaves the gate
23 h 53 apart on the timetable, overnight
DL 512 leaves 23 h 53 after DL 3052 arrives on the timetable: more than half a day, so not a connection we count.