AA 1309 then K4 221 at O'Hare
Puerto Vallarta → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
18:04AA 1309 from Puerto Vallarta at the gate
10:35K4 221 to Cincinnati Northern Kentucky leaves the gate
16 h 31 apart on the timetable, overnight
K4 221 leaves 16 h 31 after AA 1309 arrives on the timetable: more than half a day, so not a connection we count.