TU 744 then DE 3728 at Frankfurt
Tunis → Frankfurt am Main → New York JFK
Timetable, Frankfurt am Main time
17:25TU 744 from Tunis at the gate
11:15DE 3728 to New York JFK leaves the gate
17 h 50 apart on the timetable, overnight
DE 3728 leaves 17 h 50 after TU 744 arrives on the timetable: more than half a day, so not a connection we count.