FR 606 then IB 723 at Madrid
Copenhagen → Madrid → London Heathrow
Timetable, Madrid time
20:50FR 606 from Copenhagen at the gate
16:45IB 723 to London Heathrow leaves the gatealso LA 1702, VY 5421, QR 6907, AA 8770
19 h 55 apart on the timetable, overnight
IB 723 leaves 19 h 55 after FR 606 arrives on the timetable: more than half a day, so not a connection we count.