IB 5403 then QR 3683 at Barcelona
London Gatwick → Barcelona → Santander
Timetable, Barcelona time
16:15IB 5403 from London Gatwick at the gatealso LL 5403, VY 7607
16:05QR 3683 to Santander leaves the gate
23 h 50 apart on the timetable, overnight
QR 3683 leaves 23 h 50 after IB 5403 arrives on the timetable: more than half a day, so not a connection we count.