AA 820 then DL 2423 at Atlanta
Dallas-Fort Worth → Atlanta → Oklahoma City
Timetable, Atlanta time
10:22AA 820 from Dallas-Fort Worth at the gate
22:41DL 2423 to Oklahoma City leaves the gate
12 h 19 apart on the timetable
DL 2423 leaves 12 h 19 after AA 820 arrives on the timetable: more than half a day, so not a connection we count.