UX 1146 then FR 348 at Madrid
Porto → Madrid → London Stansted
Timetable, Madrid time
13:45UX 1146 from Porto at the gatealso AZ 2428, AM 6855, SV 6975, EY 7524, AD 7873, SK 8383
10:00FR 348 to London Stansted leaves the gate
20 h 15 apart on the timetable, overnight
FR 348 leaves 20 h 15 after UX 1146 arrives on the timetable: more than half a day, so not a connection we count.