UA 4238 then LF 7657 at Dulles
Syracuse → Washington → Cleveland
Timetable, Washington time
11:51UA 4238 from Syracuse at the gate
09:00LF 7657 to Cleveland leaves the gate
21 h 09 apart on the timetable, overnight
LF 7657 leaves 21 h 09 after UA 4238 arrives on the timetable: more than half a day, so not a connection we count.