AC 2683 then EK 144 at Madrid
Lisbon → Madrid → Dubai
Timetable, Madrid time
09:30AC 2683 from Lisbon at the gate
21:45EK 144 to Dubai leaves the gatealso AV 6256
12 h 15 apart on the timetable
EK 144 leaves 12 h 15 after AC 2683 arrives on the timetable: more than half a day, so not a connection we count.