PK 233 then 6E 1472 at Dubai
Islamabad → Dubai → Chennai
Timetable, Dubai time
11:00PK 233 from Islamabad at the gate
10:206E 1472 to Chennai leaves the gate
23 h 20 apart on the timetable, overnight
6E 1472 leaves 23 h 20 after PK 233 arrives on the timetable: more than half a day, so not a connection we count.