AT 591 then AT 716 at Casablanca
Bissau → Casablanca → Nantes
Timetable, Casablanca time
08:30AT 591 from Bissau at the gate
07:15AT 716 to Nantes leaves the gate
22 h 45 apart on the timetable, overnight
AT 716 leaves 22 h 45 after AT 591 arrives on the timetable: more than half a day, so not a connection we count.