FR 3607 then FR 2882 at Copenhagen
Sofia → Copenhagen → London Stansted
Timetable, Copenhagen time
12:15FR 3607 from Sofia at the gate
09:40FR 2882 to London Stansted leaves the gate
21 h 25 apart on the timetable, overnight
FR 2882 leaves 21 h 25 after FR 3607 arrives on the timetable: more than half a day, so not a connection we count.