BA 488 then QR 4699 at Barcelona
London Heathrow → Barcelona → Brussels
Timetable, Barcelona time
19:15BA 488 from London Heathrow at the gate
19:00QR 4699 to Brussels leaves the gatealso IB 5026
23 h 45 apart on the timetable, overnight
QR 4699 leaves 23 h 45 after BA 488 arrives on the timetable: more than half a day, so not a connection we count.