VS 22 then VY 7643 at Heathrow
Washington → London → Barcelona
Timetable, London time
07:20VS 22 from Washington at the gate
20:50VY 7643 to Barcelona leaves the gate
13 h 30 apart on the timetable
VY 7643 leaves 13 h 30 after VS 22 arrives on the timetable: more than half a day, so not a connection we count.