AA 4057 then UA 4405 at O'Hare
Tulsa → Chicago → Springfield Branson National
Timetable, Chicago time
08:30AA 4057 from Tulsa at the gate
21:20UA 4405 to Springfield Branson National leaves the gate
12 h 50 apart on the timetable
UA 4405 leaves 12 h 50 after AA 4057 arrives on the timetable: more than half a day, so not a connection we count.