F9 1407 then DL 2659 at Atlanta
Buffalo → Atlanta → Orlando
Timetable, Atlanta time
16:18F9 1407 from Buffalo at the gate
12:05DL 2659 to Orlando leaves the gate
19 h 47 apart on the timetable, overnight
DL 2659 leaves 19 h 47 after F9 1407 arrives on the timetable: more than half a day, so not a connection we count.