TK 185 then UA 3916 at O'Hare
Istanbul → Chicago → New Orleans
Timetable, Chicago time
10:00TK 185 from Istanbul at the gate
07:00UA 3916 to New Orleans leaves the gate
21 h apart on the timetable, overnight
UA 3916 leaves 21 h after TK 185 arrives on the timetable: more than half a day, so not a connection we count.