DL 993 then DL 2266 at Atlanta
New York LaGuardia → Atlanta → Buffalo
Timetable, Atlanta time
13:28DL 993 from New York LaGuardia at the gate
12:52DL 2266 to Buffalo leaves the gate
23 h 24 apart on the timetable, overnight
DL 2266 leaves 23 h 24 after DL 993 arrives on the timetable: more than half a day, so not a connection we count.