IB 5407 then IB 2470 at Barcelona
London Gatwick → Barcelona → Leon
Timetable, Barcelona time
17:40IB 5407 from London Gatwick at the gatealso LL 5407, VY 7611
09:10IB 2470 to Leon leaves the gatealso LL 3100, VY 5870, QR 8047
15 h 30 apart on the timetable, overnight
IB 2470 leaves 15 h 30 after IB 5407 arrives on the timetable: more than half a day, so not a connection we count.