UA 1357 then LF 7657 at Dulles
Chicago O'Hare → Washington → Cleveland
Timetable, Washington time
11:52UA 1357 from Chicago O'Hare at the gate
09:00LF 7657 to Cleveland leaves the gate
21 h 08 apart on the timetable, overnight
LF 7657 leaves 21 h 08 after UA 1357 arrives on the timetable: more than half a day, so not a connection we count.