TK 6019 then UA 1732 at O'Hare
Istanbul → Chicago → Las Vegas
Timetable, Chicago time
03:15TK 6019 from Istanbul at the gate
16:15UA 1732 to Las Vegas leaves the gate
13 h apart on the timetable
UA 1732 leaves 13 h after TK 6019 arrives on the timetable: more than half a day, so not a connection we count.