DL 775 then DL 2780 at Atlanta
Cleveland → Atlanta → Dallas
Timetable, Atlanta time
17:01DL 775 from Cleveland at the gate
16:46DL 2780 to Dallas leaves the gate
23 h 45 apart on the timetable, overnight
DL 2780 leaves 23 h 45 after DL 775 arrives on the timetable: more than half a day, so not a connection we count.