UA 1082 then LN 744 at Dulles
Columbus (Ohio) → Washington → Buffalo
Timetable, Washington time
22:10UA 1082 from Columbus (Ohio) at the gate
13:01LN 744 to Buffalo leaves the gate
14 h 51 apart on the timetable, overnight
LN 744 leaves 14 h 51 after UA 1082 arrives on the timetable: more than half a day, so not a connection we count.