WN 2147 then DL 3020 at Atlanta
Baltimore → Atlanta → Memphis
Timetable, Atlanta time
22:10WN 2147 from Baltimore at the gate
19:59DL 3020 to Memphis leaves the gate
21 h 49 apart on the timetable, overnight
DL 3020 leaves 21 h 49 after WN 2147 arrives on the timetable: more than half a day, so not a connection we count.