GQ 681 then EK 209 at Athens
Sofia → Athens → Newark
Timetable, Athens time
21:55GQ 681 from Sofia at the gate
17:10EK 209 to Newark leaves the gate
19 h 15 apart on the timetable, overnight
EK 209 leaves 19 h 15 after GQ 681 arrives on the timetable: more than half a day, so not a connection we count.