UA 3493 then LF 7657 at Dulles
Cincinnati Northern Kentucky → Washington → Cleveland
Timetable, Washington time
11:39UA 3493 from Cincinnati Northern Kentucky at the gate
09:00LF 7657 to Cleveland leaves the gate
21 h 21 apart on the timetable, overnight
LF 7657 leaves 21 h 21 after UA 3493 arrives on the timetable: more than half a day, so not a connection we count.