EW 7520 then IB 2629 at Barcelona
Hamburg → Barcelona → Miami
Timetable, Barcelona time
18:45EW 7520 from Hamburg at the gate
15:05IB 2629 to Miami leaves the gatealso LL 2629, AY 5399, QR 8000, AA 8791
20 h 20 apart on the timetable, overnight
IB 2629 leaves 20 h 20 after EW 7520 arrives on the timetable: more than half a day, so not a connection we count.