FR 5483 then IB 719 at Madrid
Porto → Madrid → London Heathrow
Timetable, Madrid time
01:15FR 5483 from Porto at the gate
14:55IB 719 to London Heathrow leaves the gatealso VY 5226, QR 5346, LA 5409, DT 6162, BA 7054, AA 8653
13 h 40 apart on the timetable
IB 719 leaves 13 h 40 after FR 5483 arrives on the timetable: more than half a day, so not a connection we count.