EW 7520 then UA 121 at Barcelona
Hamburg → Barcelona → Newark
Timetable, Barcelona time
18:45EW 7520 from Hamburg at the gate
11:00UA 121 to Newark leaves the gate
16 h 15 apart on the timetable, overnight
UA 121 leaves 16 h 15 after EW 7520 arrives on the timetable: more than half a day, so not a connection we count.