DL 2240 then UA 3378 at O'Hare
New York LaGuardia → Chicago → Richmond
Timetable, Chicago time
13:08DL 2240 from New York LaGuardia at the gate
08:30UA 3378 to Richmond leaves the gate
19 h 22 apart on the timetable, overnight
UA 3378 leaves 19 h 22 after DL 2240 arrives on the timetable: more than half a day, so not a connection we count.