FR 3008 then IB 723 at Madrid
Milan → Madrid → London Heathrow
Timetable, Madrid time
19:50FR 3008 from Milan at the gate
16:45IB 723 to London Heathrow leaves the gatealso LA 1702, VY 5421, QR 6907, BA 7050, AA 8770
20 h 55 apart on the timetable, overnight
IB 723 leaves 20 h 55 after FR 3008 arrives on the timetable: more than half a day, so not a connection we count.