OO 6105 then UA 4613 at O'Hare
Lewisburg → Chicago → St Louis
Timetable, Chicago time
12:37OO 6105 from Lewisburg at the gate
07:27UA 4613 to St Louis leaves the gate
18 h 50 apart on the timetable, overnight
UA 4613 leaves 18 h 50 after OO 6105 arrives on the timetable: more than half a day, so not a connection we count.