AF 6730 then UA 3876 at O'Hare
Paris Charles de Gaulle → Chicago → Miami
Timetable, Chicago time
01:25AF 6730 from Paris Charles de Gaulle at the gate
21:00UA 3876 to Miami leaves the gate
19 h 35 apart on the timetable
UA 3876 leaves 19 h 35 after AF 6730 arrives on the timetable: more than half a day, so not a connection we count.