DL 3082 then LN 744 at Dulles
Detroit → Washington → Buffalo
Timetable, Washington time
11:34DL 3082 from Detroit at the gate
04:00LN 744 to Buffalo leaves the gate
16 h 26 apart on the timetable, overnight
LN 744 leaves 16 h 26 after DL 3082 arrives on the timetable: more than half a day, so not a connection we count.