OO 225 then UA 4608 at O'Hare
Richmond → Chicago → Greenville-Spartanburg
Timetable, Chicago time
11:48OO 225 from Richmond at the gate
10:34UA 4608 to Greenville-Spartanburg leaves the gate
22 h 46 apart on the timetable, overnight
UA 4608 leaves 22 h 46 after OO 225 arrives on the timetable: more than half a day, so not a connection we count.