AA 1046 then DL 2423 at Atlanta
Miami → Atlanta → Oklahoma City
Timetable, Atlanta time
10:02AA 1046 from Miami at the gate
22:40DL 2423 to Oklahoma City leaves the gate
12 h 38 apart on the timetable
DL 2423 leaves 12 h 38 after AA 1046 arrives on the timetable: more than half a day, so not a connection we count.