DL 55 then DL 2398 at Atlanta
Lagos → Atlanta → New York JFK
Timetable, Atlanta time
17:52DL 55 from Lagos at the gate
15:16DL 2398 to New York JFK leaves the gate
21 h 24 apart on the timetable, overnight
DL 2398 leaves 21 h 24 after DL 55 arrives on the timetable: more than half a day, so not a connection we count.