BA 494 then QR 3616 at Barcelona
London Heathrow → Barcelona → Firenze
Timetable, Barcelona time
19:50BA 494 from London Heathrow at the gatealso IB 3822, AA 6689, CX 7168, QR 8341, VY 9613
18:45QR 3616 to Firenze leaves the gate
22 h 55 apart on the timetable, overnight
QR 3616 leaves 22 h 55 after BA 494 arrives on the timetable: more than half a day, so not a connection we count.