DY 5350 then BA 777 at Arlanda
Alicante → Stockholm → London Heathrow
Timetable, Stockholm time
15:05DY 5350 from Alicante at the gate
11:30BA 777 to London Heathrow leaves the gate
20 h 25 apart on the timetable, overnight
BA 777 leaves 20 h 25 after DY 5350 arrives on the timetable: more than half a day, so not a connection we count.