AF 6734 then UA 3876 at O'Hare
Paris Charles de Gaulle → Chicago → Miami
Timetable, Chicago time
01:15AF 6734 from Paris Charles de Gaulle at the gate
21:00UA 3876 to Miami leaves the gate
19 h 45 apart on the timetable
UA 3876 leaves 19 h 45 after AF 6734 arrives on the timetable: more than half a day, so not a connection we count.