AA 3662 then UA 5191 at O'Hare
Columbia Regional → Chicago → Lancaster
Timetable, Chicago time
12:14AA 3662 from Columbia Regional at the gate
08:50UA 5191 to Lancaster leaves the gate
20 h 36 apart on the timetable, overnight
UA 5191 leaves 20 h 36 after AA 3662 arrives on the timetable: more than half a day, so not a connection we count.