AA 619 then UA 5940 at O'Hare
Punta Cana → Chicago → Peoria
Timetable, Chicago time
19:27AA 619 from Punta Cana at the gate
16:40UA 5940 to Peoria leaves the gate
21 h 13 apart on the timetable, overnight
UA 5940 leaves 21 h 13 after AA 619 arrives on the timetable: more than half a day, so not a connection we count.