DL 5479 then AA 856 at Detroit
Cincinnati → Detroit → Dallas-Fort Worth
Timetable, Detroit time
10:13DL 5479 from Cincinnati at the gate
10:12AA 856 to Dallas-Fort Worth leaves the gate
23 h 59 apart on the timetable, overnight
AA 856 leaves 23 h 59 after DL 5479 arrives on the timetable: more than half a day, so not a connection we count.