FR 80 then FI 207 at Copenhagen
Budapest → Copenhagen → Reykjavík
Timetable, Copenhagen time
16:10FR 80 from Budapest at the gate
13:05FI 207 to Reykjavík leaves the gate
20 h 55 apart on the timetable, overnight
FI 207 leaves 20 h 55 after FR 80 arrives on the timetable: more than half a day, so not a connection we count.