UA 5193 then AA 537 at O'Hare
Clarksburg → Chicago → Hartford
Timetable, Chicago time
16:00UA 5193 from Clarksburg at the gate
08:10AA 537 to Hartford leaves the gate
16 h 10 apart on the timetable, overnight
AA 537 leaves 16 h 10 after UA 5193 arrives on the timetable: more than half a day, so not a connection we count.