F9 1441 then AA 1976 at O'Hare
Atlanta → Chicago → Puerto Vallarta
Timetable, Chicago time
12:51F9 1441 from Atlanta at the gate
08:43AA 1976 to Puerto Vallarta leaves the gate
19 h 52 apart on the timetable, overnight
AA 1976 leaves 19 h 52 after F9 1441 arrives on the timetable: more than half a day, so not a connection we count.