F9 3208 then LN 744 at Dulles
Dallas-Fort Worth → Washington → Buffalo
Timetable, Washington time
11:36F9 3208 from Dallas-Fort Worth at the gate
04:00LN 744 to Buffalo leaves the gate
16 h 24 apart on the timetable, overnight
LN 744 leaves 16 h 24 after F9 3208 arrives on the timetable: more than half a day, so not a connection we count.