UA 1126 then LF 7657 at Dulles
Miami → Washington → Cleveland
Timetable, Washington time
11:38UA 1126 from Miami at the gate
09:00LF 7657 to Cleveland leaves the gate
21 h 22 apart on the timetable, overnight
LF 7657 leaves 21 h 22 after UA 1126 arrives on the timetable: more than half a day, so not a connection we count.