BA 780 then FR 3077 at Arlanda
London Heathrow → Stockholm → Barcelona
Timetable, Stockholm time
16:55BA 780 from London Heathrow at the gate
16:25FR 3077 to Barcelona leaves the gate
23 h 30 apart on the timetable, overnight
FR 3077 leaves 23 h 30 after BA 780 arrives on the timetable: more than half a day, so not a connection we count.