F9 1342 then TK 186 at O'Hare
Dallas-Fort Worth → Chicago → Istanbul
Timetable, Chicago time
15:31F9 1342 from Dallas-Fort Worth at the gate
11:45TK 186 to Istanbul leaves the gate
20 h 14 apart on the timetable, overnight
TK 186 leaves 20 h 14 after F9 1342 arrives on the timetable: more than half a day, so not a connection we count.