TO 4756 then BA 485 at Barcelona
Paris Orly → Barcelona → London Heathrow
Timetable, Barcelona time
18:40TO 4756 from Paris Orly at the gate
17:30BA 485 to London Heathrow leaves the gate
22 h 50 apart on the timetable, overnight
BA 485 leaves 22 h 50 after TO 4756 arrives on the timetable: more than half a day, so not a connection we count.