DL 406 then DL 3020 at Atlanta
Bozeman → Atlanta → Memphis
Timetable, Atlanta time
20:12DL 406 from Bozeman at the gate
19:59DL 3020 to Memphis leaves the gate
23 h 47 apart on the timetable, overnight
DL 3020 leaves 23 h 47 after DL 406 arrives on the timetable: more than half a day, so not a connection we count.