LF 8443 then UA 2487 at O'Hare
MQY → Chicago → Grand Rapids
Timetable, Chicago time
09:24LF 8443 from MQY at the gate
21:50UA 2487 to Grand Rapids leaves the gate
12 h 26 apart on the timetable
UA 2487 leaves 12 h 26 after LF 8443 arrives on the timetable: more than half a day, so not a connection we count.