FR 80 then FR 7383 at Copenhagen
Budapest → Copenhagen → London Stansted
Timetable, Copenhagen time
19:40FR 80 from Budapest at the gate
11:35FR 7383 to London Stansted leaves the gate
15 h 55 apart on the timetable, overnight
FR 7383 leaves 15 h 55 after FR 80 arrives on the timetable: more than half a day, so not a connection we count.