BT 877 then QR 3648 at Barcelona
Tallinn → Barcelona → Lyon
Timetable, Barcelona time
10:30BT 877 from Tallinn at the gate
07:10QR 3648 to Lyon leaves the gatealso IB 5464, LL 5464, VY 8124
20 h 40 apart on the timetable, overnight
QR 3648 leaves 20 h 40 after BT 877 arrives on the timetable: more than half a day, so not a connection we count.