FR 393 then UX 91 at Madrid
Ibiza → Madrid → New York JFK
Timetable, Madrid time
16:35FR 393 from Ibiza at the gate
15:25UX 91 to New York JFK leaves the gatealso DL 6769, RO 9430
22 h 50 apart on the timetable, overnight
UX 91 leaves 22 h 50 after FR 393 arrives on the timetable: more than half a day, so not a connection we count.