AA 6434 then UA 5901 at O'Hare
Oklahoma City → Chicago → Fort Wayne
Timetable, Chicago time
16:35AA 6434 from Oklahoma City at the gate
16:10UA 5901 to Fort Wayne leaves the gate
23 h 35 apart on the timetable, overnight
UA 5901 leaves 23 h 35 after AA 6434 arrives on the timetable: more than half a day, so not a connection we count.