DL 5161 then B6 520 at Atlanta
Montgomery → Atlanta → New York JFK
Timetable, Atlanta time
20:35DL 5161 from Montgomery at the gate
18:41B6 520 to New York JFK leaves the gate
22 h 06 apart on the timetable, overnight
B6 520 leaves 22 h 06 after DL 5161 arrives on the timetable: more than half a day, so not a connection we count.