OO 6105 then UA 539 at O'Hare
Lewisburg → Chicago → Dallas-Fort Worth
Timetable, Chicago time
12:37OO 6105 from Lewisburg at the gate
07:00UA 539 to Dallas-Fort Worth leaves the gate
18 h 23 apart on the timetable, overnight
UA 539 leaves 18 h 23 after OO 6105 arrives on the timetable: more than half a day, so not a connection we count.