UA 3922 then AA 4930 at O'Hare
Savannah → Chicago → Oklahoma City
Timetable, Chicago time
02:36UA 3922 from Savannah at the gate
16:15AA 4930 to Oklahoma City leaves the gate
13 h 39 apart on the timetable
AA 4930 leaves 13 h 39 after UA 3922 arrives on the timetable: more than half a day, so not a connection we count.