F9 4702 then DL 3043 at Atlanta
Austin → Atlanta → Melbourne (Florida)
Timetable, Atlanta time
19:10F9 4702 from Austin at the gate
16:31DL 3043 to Melbourne (Florida) leaves the gate
21 h 21 apart on the timetable, overnight
DL 3043 leaves 21 h 21 after F9 4702 arrives on the timetable: more than half a day, so not a connection we count.