AA 3297 then DL 961 at DFW
Chicago O'Hare → Dallas-Fort Worth → Atlanta
Timetable, Dallas-Fort Worth time
23:44AA 3297 from Chicago O'Hare at the gate
12:23DL 961 to Atlanta leaves the gate
12 h 39 apart on the timetable, overnight
DL 961 leaves 12 h 39 after AA 3297 arrives on the timetable: more than half a day, so not a connection we count.