DL 2973 then DL 2862 at Atlanta
White Plains → Atlanta → Oklahoma City
Timetable, Atlanta time
15:24DL 2973 from White Plains at the gate
15:20DL 2862 to Oklahoma City leaves the gate
23 h 56 apart on the timetable, overnight
DL 2862 leaves 23 h 56 after DL 2973 arrives on the timetable: more than half a day, so not a connection we count.