TK 6019 then UA 1288 at O'Hare
Istanbul → Chicago → Phoenix
Timetable, Chicago time
03:15TK 6019 from Istanbul at the gate
16:14UA 1288 to Phoenix leaves the gate
12 h 59 apart on the timetable
UA 1288 leaves 12 h 59 after TK 6019 arrives on the timetable: more than half a day, so not a connection we count.