DL 1223 then AA 2578 at Atlanta
Cincinnati → Atlanta → Dallas-Fort Worth
Timetable, Atlanta time
16:33DL 1223 from Cincinnati at the gate
13:28AA 2578 to Dallas-Fort Worth leaves the gate
20 h 55 apart on the timetable, overnight
AA 2578 leaves 20 h 55 after DL 1223 arrives on the timetable: more than half a day, so not a connection we count.