AA 660 then F9 2494 at DFW
Detroit → Dallas-Fort Worth → Atlanta
Timetable, Dallas-Fort Worth time
20:11AA 660 from Detroit at the gate
08:38F9 2494 to Atlanta leaves the gate
12 h 27 apart on the timetable, overnight
F9 2494 leaves 12 h 27 after AA 660 arrives on the timetable: more than half a day, so not a connection we count.