AA 4454 then Y4 703 at O'Hare
Indianapolis → Chicago → Mexico City
Timetable, Chicago time
06:00AA 4454 from Indianapolis at the gate
00:04Y4 703 to Mexico City leaves the gate
18 h 04 apart on the timetable, overnight
Y4 703 leaves 18 h 04 after AA 4454 arrives on the timetable: more than half a day, so not a connection we count.