F9 3511 then DL 2659 at Atlanta
Boston → Atlanta → Orlando
Timetable, Atlanta time
16:00F9 3511 from Boston at the gate
12:05DL 2659 to Orlando leaves the gate
20 h 05 apart on the timetable, overnight
DL 2659 leaves 20 h 05 after F9 3511 arrives on the timetable: more than half a day, so not a connection we count.