DL 3847 then DL 3888 at Detroit
Buffalo → Detroit → Albany (New York)
Timetable, Detroit time
17:16DL 3847 from Buffalo at the gate
14:40DL 3888 to Albany (New York) leaves the gate
21 h 24 apart on the timetable, overnight
DL 3888 leaves 21 h 24 after DL 3847 arrives on the timetable: more than half a day, so not a connection we count.