AT 554 then L6 115 at Casablanca
Lagos → Casablanca → Nouakchott
Timetable, Casablanca time
10:30AT 554 from Lagos at the gate
10:10L6 115 to Nouakchott leaves the gate
23 h 40 apart on the timetable, overnight
L6 115 leaves 23 h 40 after AT 554 arrives on the timetable: more than half a day, so not a connection we count.