U2 3315 then FI 853 at Keflavík
Edinburgh → Reykjavík → Chicago
Timetable, Reykjavík time
19:35U2 3315 from Edinburgh at the gate
16:30FI 853 to Chicago leaves the gate
20 h 55 apart on the timetable, overnight
FI 853 leaves 20 h 55 after U2 3315 arrives on the timetable: more than half a day, so not a connection we count.