F9 1441 then TK 186 at O'Hare
Atlanta → Chicago → Istanbul
Timetable, Chicago time
12:51F9 1441 from Atlanta at the gate
11:45TK 186 to Istanbul leaves the gate
22 h 54 apart on the timetable, overnight
TK 186 leaves 22 h 54 after F9 1441 arrives on the timetable: more than half a day, so not a connection we count.