FR 3008 then AA 8844 at Madrid
Milan → Madrid → London Heathrow
Timetable, Madrid time
19:50FR 3008 from Milan at the gate
17:20AA 8844 to London Heathrow leaves the gate
21 h 30 apart on the timetable, overnight
AA 8844 leaves 21 h 30 after FR 3008 arrives on the timetable: more than half a day, so not a connection we count.