3O 377 then FR 9811 at Barcelona
Tangier → Barcelona → London Stansted
Timetable, Barcelona time
18:553O 377 from Tangier at the gate
14:10FR 9811 to London Stansted leaves the gate
19 h 15 apart on the timetable, overnight
FR 9811 leaves 19 h 15 after 3O 377 arrives on the timetable: more than half a day, so not a connection we count.