OO 225 then UA 441 at O'Hare
Richmond → Chicago → Dallas-Fort Worth
Timetable, Chicago time
11:48OO 225 from Richmond at the gate
11:47UA 441 to Dallas-Fort Worth leaves the gate
23 h 59 apart on the timetable, overnight
UA 441 leaves 23 h 59 after OO 225 arrives on the timetable: more than half a day, so not a connection we count.