AA 3802 then UA 5191 at O'Hare
Springfield Branson National → Chicago → Lancaster
Timetable, Chicago time
15:36AA 3802 from Springfield Branson National at the gate
08:50UA 5191 to Lancaster leaves the gate
17 h 14 apart on the timetable, overnight
UA 5191 leaves 17 h 14 after AA 3802 arrives on the timetable: more than half a day, so not a connection we count.