FR 4641 then DY 4455 at Arlanda
Riga → Stockholm → London Gatwick
Timetable, Stockholm time
14:00FR 4641 from Riga at the gate
10:45DY 4455 to London Gatwick leaves the gate
20 h 45 apart on the timetable, overnight
DY 4455 leaves 20 h 45 after FR 4641 arrives on the timetable: more than half a day, so not a connection we count.