F9 4702 then DL 2831 at Atlanta
Austin → Atlanta → Louisville
Timetable, Atlanta time
19:10F9 4702 from Austin at the gate
17:51DL 2831 to Louisville leaves the gate
22 h 41 apart on the timetable, overnight
DL 2831 leaves 22 h 41 after F9 4702 arrives on the timetable: more than half a day, so not a connection we count.