UA 5193 then AA 1349 at O'Hare
Clarksburg → Chicago → Los Angeles
Timetable, Chicago time
16:00UA 5193 from Clarksburg at the gate
13:40AA 1349 to Los Angeles leaves the gate
21 h 40 apart on the timetable, overnight
AA 1349 leaves 21 h 40 after UA 5193 arrives on the timetable: more than half a day, so not a connection we count.