UA 263 then UA 3378 at O'Hare
Grand Rapids → Chicago → Richmond
Timetable, Chicago time
09:00UA 263 from Grand Rapids at the gate
08:30UA 3378 to Richmond leaves the gate
23 h 30 apart on the timetable, overnight
UA 3378 leaves 23 h 30 after UA 263 arrives on the timetable: more than half a day, so not a connection we count.