DL 706 then DL 374 at Atlanta
Denver → Atlanta → Dallas-Fort Worth
Timetable, Atlanta time
21:24DL 706 from Denver at the gate
15:59DL 374 to Dallas-Fort Worth leaves the gate
18 h 35 apart on the timetable, overnight
DL 374 leaves 18 h 35 after DL 706 arrives on the timetable: more than half a day, so not a connection we count.