AF 175 then U2 6638 at Charles de Gaulle
Mexico City → Paris → Birmingham (UK)
Timetable, Paris time
16:35AF 175 from Mexico City at the gate
09:15U2 6638 to Birmingham (UK) leaves the gate
16 h 40 apart on the timetable, overnight
U2 6638 leaves 16 h 40 after AF 175 arrives on the timetable: more than half a day, so not a connection we count.