AA 1038 then UA 5191 at O'Hare
Charlotte → Chicago → Lancaster
Timetable, Chicago time
12:22AA 1038 from Charlotte at the gate
08:50UA 5191 to Lancaster leaves the gate
20 h 28 apart on the timetable, overnight
UA 5191 leaves 20 h 28 after AA 1038 arrives on the timetable: more than half a day, so not a connection we count.