AZ 2420 then FR 498 at Madrid
Porto → Madrid → London Stansted
Timetable, Madrid time
09:45AZ 2420 from Porto at the gatealso SV 4738, DL 6764, AM 6923, EY 7523, AD 7872, SK 8382, RO 9454
06:25FR 498 to London Stansted leaves the gate
20 h 40 apart on the timetable, overnight
FR 498 leaves 20 h 40 after AZ 2420 arrives on the timetable: more than half a day, so not a connection we count.