TK 6019 then AA 6481 at O'Hare
Istanbul → Chicago → Oklahoma City
Timetable, Chicago time
03:15TK 6019 from Istanbul at the gate
16:08AA 6481 to Oklahoma City leaves the gate
12 h 53 apart on the timetable
AA 6481 leaves 12 h 53 after TK 6019 arrives on the timetable: more than half a day, so not a connection we count.