OS 37 then UA 3616 at Newark
Vienna → New York → St Louis
Timetable, New York time
14:15OS 37 from Vienna at the gate
07:00UA 3616 to St Louis leaves the gate
16 h 45 apart on the timetable, overnight
UA 3616 leaves 16 h 45 after OS 37 arrives on the timetable: more than half a day, so not a connection we count.