AF 6737 then U2 4633 at Charles de Gaulle
Chicago → Paris → Berlin
Timetable, Paris time
18:25AF 6737 from Chicago at the gate
12:40U2 4633 to Berlin leaves the gate
18 h 15 apart on the timetable, overnight
U2 4633 leaves 18 h 15 after AF 6737 arrives on the timetable: more than half a day, so not a connection we count.