TK 6023 then AA 3646 at O'Hare
Istanbul → Chicago → Tulsa
Timetable, Chicago time
07:25TK 6023 from Istanbul at the gate
19:45AA 3646 to Tulsa leaves the gate
12 h 20 apart on the timetable
AA 3646 leaves 12 h 20 after TK 6023 arrives on the timetable: more than half a day, so not a connection we count.