BA 472 then EC 7151 at Barcelona
London Heathrow → Barcelona → Milan
Timetable, Barcelona time
09:10BA 472 from London Heathrow at the gate
07:30EC 7151 to Milan leaves the gate
22 h 20 apart on the timetable, overnight
EC 7151 leaves 22 h 20 after BA 472 arrives on the timetable: more than half a day, so not a connection we count.