EK 545 then PK 204 at Dubai
Chennai → Dubai → Lahore
Timetable, Dubai time
12:40EK 545 from Chennai at the gate
07:10PK 204 to Lahore leaves the gate
18 h 30 apart on the timetable, overnight
PK 204 leaves 18 h 30 after EK 545 arrives on the timetable: more than half a day, so not a connection we count.