LF 8443 then UA 912 at O'Hare
MQY → Chicago → Reykjavík
Timetable, Chicago time
09:24LF 8443 from MQY at the gate
21:45UA 912 to Reykjavík leaves the gate
12 h 21 apart on the timetable
UA 912 leaves 12 h 21 after LF 8443 arrives on the timetable: more than half a day, so not a connection we count.