AT 219 then AT 716 at Casablanca
Washington → Casablanca → Nantes
Timetable, Casablanca time
09:05AT 219 from Washington at the gate
07:15AT 716 to Nantes leaves the gate
22 h 10 apart on the timetable, overnight
AT 716 leaves 22 h 10 after AT 219 arrives on the timetable: more than half a day, so not a connection we count.