FR 3008 then IB 717 at Madrid
Milan → Madrid → London Heathrow
Timetable, Madrid time
19:50FR 3008 from Milan at the gate
13:15IB 717 to London Heathrow leaves the gatealso LA 1539, VY 5179, QR 5345, BA 7056, AA 8755
17 h 25 apart on the timetable, overnight
IB 717 leaves 17 h 25 after FR 3008 arrives on the timetable: more than half a day, so not a connection we count.