BA 814 then DY 2063 at Copenhagen
London Heathrow → Copenhagen → Riga
Timetable, Copenhagen time
17:25BA 814 from London Heathrow at the gate
11:55DY 2063 to Riga leaves the gate
18 h 30 apart on the timetable, overnight
DY 2063 leaves 18 h 30 after BA 814 arrives on the timetable: more than half a day, so not a connection we count.