UA 1124 then UA 5539 at O'Hare
New York LaGuardia → Chicago → Cleveland
Timetable, Chicago time
18:11UA 1124 from New York LaGuardia at the gate
10:50UA 5539 to Cleveland leaves the gate
16 h 39 apart on the timetable, overnight
UA 5539 leaves 16 h 39 after UA 1124 arrives on the timetable: more than half a day, so not a connection we count.