KL 686 then HV 6003 at Schiphol
Mexico City → Amsterdam → Porto
Timetable, Amsterdam time
15:10KL 686 from Mexico City at the gate
06:50HV 6003 to Porto leaves the gate
15 h 40 apart on the timetable, overnight
HV 6003 leaves 15 h 40 after KL 686 arrives on the timetable: more than half a day, so not a connection we count.