DL 3186 then DL 2784 at Atlanta
Charlotte → Atlanta → Oklahoma City
Timetable, Atlanta time
06:45DL 3186 from Charlotte at the gate
19:17DL 2784 to Oklahoma City leaves the gate
12 h 32 apart on the timetable
DL 2784 leaves 12 h 32 after DL 3186 arrives on the timetable: more than half a day, so not a connection we count.