F9 3363 then DL 978 at Detroit
Orlando → Detroit → Buffalo
Timetable, Detroit time
08:52F9 3363 from Orlando at the gate
21:30DL 978 to Buffalo leaves the gate
12 h 38 apart on the timetable
DL 978 leaves 12 h 38 after F9 3363 arrives on the timetable: more than half a day, so not a connection we count.