LF 3057 then LF 7920 at O'Hare
Quincy → Chicago → BKX
Timetable, Chicago time
17:20LF 3057 from Quincy at the gate
13:45LF 7920 to BKX leaves the gate
20 h 25 apart on the timetable, overnight
LF 7920 leaves 20 h 25 after LF 3057 arrives on the timetable: more than half a day, so not a connection we count.