B6 111 then G7 3378 at O'Hare
Boston → Chicago → Richmond
Timetable, Chicago time
12:00B6 111 from Boston at the gate
08:30G7 3378 to Richmond leaves the gate
20 h 30 apart on the timetable, overnight
G7 3378 leaves 20 h 30 after B6 111 arrives on the timetable: more than half a day, so not a connection we count.