3O 393 then IB 725 at Madrid
Casablanca → Madrid → London Heathrow
Timetable, Madrid time
22:053O 393 from Casablanca at the gate
17:20IB 725 to London Heathrow leaves the gatealso LA 1704, VY 5180, BA 7058
19 h 15 apart on the timetable, overnight
IB 725 leaves 19 h 15 after 3O 393 arrives on the timetable: more than half a day, so not a connection we count.