TK 6039 then UA 660 at O'Hare
Istanbul → Chicago → San Diego
Timetable, Chicago time
20:28TK 6039 from Istanbul at the gate
08:50UA 660 to San Diego leaves the gate
12 h 22 apart on the timetable, overnight
UA 660 leaves 12 h 22 after TK 6039 arrives on the timetable: more than half a day, so not a connection we count.