UA 4776 then AA 4025 at O'Hare
Cleveland → Chicago → Marquette
Timetable, Chicago time
20:30UA 4776 from Cleveland at the gate
19:10AA 4025 to Marquette leaves the gate
22 h 40 apart on the timetable, overnight
AA 4025 leaves 22 h 40 after UA 4776 arrives on the timetable: more than half a day, so not a connection we count.