DL 706 then DL 2862 at Atlanta
Denver → Atlanta → Oklahoma City
Timetable, Atlanta time
18:01DL 706 from Denver at the gate
15:20DL 2862 to Oklahoma City leaves the gate
21 h 19 apart on the timetable, overnight
DL 2862 leaves 21 h 19 after DL 706 arrives on the timetable: more than half a day, so not a connection we count.