UA 3426 then AA 6097 at Charlotte
Chicago O'Hare → Charlotte → Greenville-Spartanburg
Timetable, Charlotte time
09:46UA 3426 from Chicago O'Hare at the gate
07:15AA 6097 to Greenville-Spartanburg leaves the gate
21 h 29 apart on the timetable, overnight
AA 6097 leaves 21 h 29 after UA 3426 arrives on the timetable: more than half a day, so not a connection we count.