AA 4562 then UA 3874 at O'Hare
Indianapolis → Chicago → LCQ
Timetable, Chicago time
11:30AA 4562 from Indianapolis at the gate
06:30UA 3874 to LCQ leaves the gate
19 h apart on the timetable, overnight
UA 3874 leaves 19 h after AA 4562 arrives on the timetable: more than half a day, so not a connection we count.