BT 101 then FR 4718 at Arlanda
Riga → Stockholm → London Stansted
Timetable, Stockholm time
07:20BT 101 from Riga at the gate
06:30FR 4718 to London Stansted leaves the gate
23 h 10 apart on the timetable, overnight
FR 4718 leaves 23 h 10 after BT 101 arrives on the timetable: more than half a day, so not a connection we count.