AA 1276 then DL 2117 at Atlanta
Dallas-Fort Worth → Atlanta → Louisville
Timetable, Atlanta time
12:42AA 1276 from Dallas-Fort Worth at the gate
07:35DL 2117 to Louisville leaves the gate
18 h 53 apart on the timetable, overnight
DL 2117 leaves 18 h 53 after AA 1276 arrives on the timetable: more than half a day, so not a connection we count.