SK 1645 then SK 1501 at Copenhagen
Riga → Copenhagen → London Heathrow
Timetable, Copenhagen time
06:55SK 1645 from Riga at the gate
20:40SK 1501 to London Heathrow leaves the gate
13 h 45 apart on the timetable
SK 1501 leaves 13 h 45 after SK 1645 arrives on the timetable: more than half a day, so not a connection we count.