FR 8240 then FR 154 at Madrid
Porto → Madrid → Bristol
Timetable, Madrid time
16:30FR 8240 from Porto at the gate
06:35FR 154 to Bristol leaves the gate
14 h 05 apart on the timetable, overnight
FR 154 leaves 14 h 05 after FR 8240 arrives on the timetable: more than half a day, so not a connection we count.