AT 218 then VS 22 at Dulles
Casablanca → Washington → London
Timetable, Washington time
19:05AT 218 from Casablanca at the gate
18:55VS 22 to London leaves the gate
23 h 50 apart on the timetable, overnight
VS 22 leaves 23 h 50 after AT 218 arrives on the timetable: more than half a day, so not a connection we count.