DL 1397 then DL 475 at Atlanta
Austin → Atlanta → Jackson (Mississippi)
Timetable, Atlanta time
20:10DL 1397 from Austin at the gate
19:30DL 475 to Jackson (Mississippi) leaves the gate
23 h 20 apart on the timetable, overnight
DL 475 leaves 23 h 20 after DL 1397 arrives on the timetable: more than half a day, so not a connection we count.