FR 2436 then UA 509 at Fiumicino
Madrid → Rome → Newark
Timetable, Rome time
16:50FR 2436 from Madrid at the gate
12:55UA 509 to Newark leaves the gate
20 h 05 apart on the timetable, overnight
UA 509 leaves 20 h 05 after FR 2436 arrives on the timetable: more than half a day, so not a connection we count.