UA 3922 then AA 5295 at O'Hare
Savannah → Chicago → Greenville-Spartanburg
Timetable, Chicago time
02:36UA 3922 from Savannah at the gate
18:55AA 5295 to Greenville-Spartanburg leaves the gate
16 h 19 apart on the timetable
AA 5295 leaves 16 h 19 after UA 3922 arrives on the timetable: more than half a day, so not a connection we count.